25 Million Dollar Side Hustles Most People Won't Touch (2024)

Updated: May 24th, 2023

When looking for business ideas, it's tempting to chase the latest trends and shiniest objects.

But the truth is: there’s a lot of money in doing what most people aren’t willing to do.

We created a list of 25 "dirty" business ideas and included success stories from entrepreneurs who brought these ideas to life.

1. Start a dog walking business

Are you a dog lover? If so, you can turn your passion for animals into a profitable side hustle that allows you to earn extra income for your mortgage, a vacation, or paying off student loans.

As a dog walker, sitter, or boarder, you can earn an average annual income of between $10,000 and $30,000 by offering your services to dog owners in need of a caregiver for their furry friends.

To get started, register on a credible dog-walking app and create a compelling profile that showcases your experience, skills, and love for dogs.

With your dedication and expertise, you can help dog owners ensure their pets receive the care and attention they need while building a thriving business that fulfills your passion for animals.

How much you can make: $15,000 — $54,000/month

How much does it cost to start: $1,500 (?)

How long does it take to build: 60 days (?)

Time commitment per week: Min. 2 hours/week

How I Started A $54K/Month Pet Sitting And Dog Walking Business

Furry Fellas Pet Service LLC is a successful pet sitting and dog walking business that brings in over half a million dollars in sales per year, boasts 3,500-4,000 social media followers, employs 42 individuals and has been voted in the top 3 pet sitting/dog walking companies in the RI/MA area for eight years in a row.

Read by 20,645 founders

2. Start a resume writing service

A resume writing service offers professional assistance in crafting compelling resumes for job seekers.

With this service, your day-to-day activities revolve around collaborating with clients to gather their employment history, skills, and achievements, and transforming that information into well-crafted resumes that highlight their qualifications.

How much you can make: $2,000 — $62,500/month

How much does it cost to start: $35 (?)

How long does it take to build: 90 days (?)

Time commitment per week: Min. 8 hours/week

How I Started A Profitable Resume Writing Side Project

Recruiter Written, a resume and LinkedIn profile writing service founded by Alex Benjamin, successfully launched with a startup cost of $600 and has since generated an average gross profit of around $1940 per month primarily through referrals, and plans to expand to downloadable PDF Resume and LinkedIn Profile Writing guides.

Read by 15,965 founders

3. Start a handyman business

A handyman business covers a wide range of home repair and maintenance services, making it an easy entry into the industry.

You can start with minimal resources, and by providing valuable assistance to customers, you'll quickly establish yourself as a trusted professional in the field.

To start a handyman business on a budget, identify your skills and the services you can offer confidently.

Then, create a basic business plan outlining your services, target market, and pricing.

Next, obtain any necessary licenses or permits, and invest in basic tools and equipment.

Finally, promote your services through word of mouth, local advertising, and online platforms to attract customers and gradually grow your handyman business.

How much you can make: $8,000 — $30,000/month

How long does it take to build: 120 days (?)

Time commitment per week: Min. 8 hours/week

How I Started A $8K/Month Pool Service And Installation Business

Learn how a third generation business owner started a profitable pool service and installation business in Southern Ontario, earning an average of $8000/month net revenue during peak season and growing from servicing 0 to 350+ pools since May 2016 by doing things that don't scale, such as manually talking to customers and focusing on the ideal customer.

Read by 16,228 founders

4. Start a junk removal business

Households and businesses need help hauling away broken furniture, clearing out trash, and even emptying properties during a foreclosure. Therefore, the demand for junk removal services is high. Starting a junk removal business can be profitable if you own a box truck and are looking for self-employment opportunities.

To begin, perform market research in your area, and apply for the necessary regulatory permits or licenses. Build a website and market your services.

How much you can make: $4,000 — $230,000/month

How long does it take to build: 55 days (?)

How I Started A $18K/Month Junk Removal Company Before Graduating From College

23-year-old Sam Evans founded You Call We Haul Junk Removal which brings in around $20,000 in revenue per month with a profit of 65% per job, servicing any individuals who have unneeded junk, and aims to franchise the business in the long-term.

Read by 50,684 founders

5. Start an animal bone cleaning service

The pristine-looking skeletons you see in museums or bright white skulls hanging from walls are real animal bones and skulls that were cleaned and preserved.

Cleaning animal bones may sound boring! But do you know that animal skulls and bones is a profitable business? Animal bones and skulls are not only a good display for residential and commercial places, but they are also a good teaching tool. Your clients can be hunters, anatomy professionals, conservationists, and pet lovers.

Therefore, starting a bone cleaning and bleaching business can be a great business.

How much you can make: $2,000/month

How I Started A Successful Side Business Cleaning Animal Skulls

Dermestidarium is a successful side business that uses flesh-eating beetles to clean animal bones for display, started by Carla Brauer who had no hopes of it turning into a business, but grew it into a busy side-hustle and more recently a primary work with client base growing each year.

Read by 9,540 founders

6. Start a plumbing business

With hands-on knowledge in plumbing, you can start a business that focuses on diagnosing and repairing plumbing issues, installing fixtures, and maintaining plumbing systems.

As a plumber, your day-to-day activities will involve responding to service calls, troubleshooting plumbing problems, conducting installations or repairs, and providing guidance to clients on plumbing-related matters.

How much you can make: $40,000/month

How much does it cost to start: $7,000 (?)

How long does it take to build: 365 days (?)

I Run A Family Plumbing Business That Makes $40K/Month

A second-generation family-owned plumbing and leak detection business shares their success in obtaining repeat business through word of mouth referrals, staying true to their core principles, and using cutting-edge technology to provide top-notch service to clients.

Read by 3,846 founders

7. Become a virtual assistant

Virtual assistants support businesses, teams, or individuals by performing administrative tasks remotely. As businesses these days tend to outsource their tasks, the demand for virtual assistants is growing rapidly.

Becoming a virtual assistant is flexible, as you can choose a work schedule and location at your convenience. Many virtual assistants have a dedicated home office where they work in a quiet and distraction-free environment.

To become a virtual assistant, identify a niche you like and undertake any training. Then, figure out how much to charge your customers and create an online presence where you can apply for jobs. As a virtual assistant, you can define your work schedule depending on your availability.

How much you can make: $1,000 — $1,000,000/month

How much does it cost to start: $1,000 (?)

How long does it take to build: 60 days (?)

On Starting A Business Training Virtual Assistants

Filipino Virtual Assistance by FVA Business Consultancy, founded by Julmar Grace Locsin, offers online and offline training to empower marketers, enable businesses, and equip freelancers which has trained 25,000 students from their 31 courses, has 16 coaches assigned from different territories, and fifteen in the FVA team for global digital leadership that will impact the world through digitalization, one life at a time.

Read by 8,347 founders

8. Start a grocery delivery service

Grocery delivery is an on-demand service where clients shop for groceries, and you deliver to their commercial or residential premises.

As a carrier in grocery delivery, you have an opportunity to maximize your output, as you can serve multiple customers in one trip. Besides, you get to choose your preferred working time and location.

How much you can make: $385,000/month

How much does it cost to start: $3,000 (?)

How long does it take to build: 35 days (?)

How We Started A $385K/Month Order Fulfillment Service For Ecommerce Brands

Learn how Send Eats grew from packing dozens of orders per month to tens of thousands, with a monthly revenue of $385k, by providing lightning-fast order fulfillment for eCommerce brands primarily within Shopify, and how they utilized their personal network and went from shipping out of a bread factory to their own 30,000 sq ft warehouse.

Read by 6,537 founders

9. Start a storage facility

Starting a storage space business is an accessible venture that allows you to utilize unused space effectively.

Additionally, you can start this with little capital. If you have available space, such as a warehouse, garage, or unused rooms, you can repurpose it for storage purposes.

Apart from renting out storage space, self-storage facilities make money by selling locks, cardboard boxes, packing supplies, insurance, and other products.

Pros of starting a storage space business include the following:

  • Great profit potential
  • Growing demand
  • Low overhead compared to other businesses
  • Requires minimal management

How much you can make: $100,000 — $2,500,000/month

How much does it cost to start: $9,999 (?)

How long does it take to build: 180 days (?)

How I Started A $100K/Month Logistics And Delivery Service Company

How a logistics company grew its revenue over 300% in 2 years, starting with just 2 vans and 25k+ square feet of warehouse space, and focused on relationships, efficiency, and building trust with its customers.

Read by 12,822 founders

10. Start a fulfillment business

As e-commerce becomes the pillar in our retail landscape, fulfillment businesses are becoming more important.

Fulfillment companies enable e-Commerce by processing order receipts, packing, delivering, and handling returns from clients. These businesses act as a third-party warehouse and their core responsibilities include preparing and shipping orders. Thus, they store goods until they are ready to send to stores and customers. If you are planning to start a fulfillment service, some of the services will include:

  • Same day-delivery
  • Customer support through chat, text, and phone call
  • Complete order tracking from arrival at the fulfillment center to delivery to customer's door
  • Custom API integration
  • Climate-controlled storage space

To start a fulfillment center you need to find space, streamline with software, and set up and understand business KPIs with the target e-Commerce companies.

How much you can make: $150,000 — $25,000,000/month

How long does it take to build: 135 days (?)

How This Immigrant Entrepreneur Built A $60M/Year Fulfillment Business

ShipMonk, a technology-driven fulfillment center, went from $130K in revenue in 2014 to nearly $30M in 2018 and was named America's Fastest Growing Fulfillment Center, with projected revenue of $60M for 2019.

Read by 18,132 founders

11. Start a home automation business

Home automation uses modern technologies like sensors, internet and automation control to create centrally controlled lighting, home security and HVAC services.

The home automation business targets homeowners in the upper-middle to upper class. You can market your services by partnering with home improvement businesses to gain market exposure. Create a social media presence and use the platforms to educate your target customers about the business.

How much you can make: $70,000 — $4,000,000/month

How long does it take to build: 1045 days (?)

How A Solution To My Own Problem Turned Into A $70K/Month Smart Home Security System

Konnected founder Nate Clark shares how he developed an open-source solution to his own home security struggles, growing the business to generate an estimated $1 million in sales annually.

Read by 10,601 founders

12. Start a furniture flipping business

Flipping furniture is a business idea that can make you money by working a few hours a week. From kitchen tables to dressers and armories, plus, you can turn old pieces of furniture into a masterpiece that someone would be interested in paying for.

If you have a few hours a week and you enjoy checking out wooden furniture, flipping household or office units can be a profitable business idea for you. Some furniture flippers earn a 6-figure profit per year, from furniture flipping.

How much does it cost to start: $50 (?)

13. Start a mobile auto detailing service

A mobile carwash business reaches clients whenever possible and offers its services conveniently. Therefore, car owners do not need to drive to different locations looking for a car wash, as the mobile service provider is there for the client.

The advantage of offering a mobile car wash business is that clients will call you to their location whenever they need their vehicles cleaned. You can serve more customers based on convenience compared to an immobile car detailing business.

How much you can make: $5,000 — $20,000/month

How much does it cost to start: $2,500 (?)

How long does it take to build: 30 days (?)

I Left Tech & Built My Own Car Detailing Business [My Hobby]

Learn how former tech salesman, Matt Paskow, left the industry to start Fresh Look Mobile Auto Detailing, a profitable mobile auto detailing business generating around $5k per month that focuses solely on SEO, Google AdWords, and Google My Business for marketing.

Read by 4,452 founders

14. Start a freelance writing business

Freelance writing can be a good career choice if you are looking for a flexible online job.

Working as a freelancer gives you the flexibility to define your work schedule. You can work from home at any time. Freelance writers work across various niches, writing about various topics assigned by the client,

To earn good money as a freelance writer, you need the following personal qualities:

  • Strong writing skills
  • Ability to meet deadlines
  • Stay on the cutting edge
  • Be a self-starter
  • Be up-to-date with the current writing tools & writing trends
  • Proper communication skills

How much you can make: $700 — $500,000/month

How much does it cost to start: $500 (?)

How long does it take to build: 56 days (?)

How I Started A $80K/Month Content Writing Business

How David Tile turned a freelance writing gig into an $80k/month business, discussing lessons learned through managing growing demands and maintaining a remote team operation.

Read by 24,748 founders

15. Start a transcription business

A transcription service converts live or recorded speech into a written or electronic text document. Transcription service is in demand globally across industries.

Becoming a transcriptionist can be a side hustle or a full-time job, so long as you have the right gear.

Do you plan to become a transcriber ? Take an online transcriptionist course and work on your listening skills. To succeed, you need a good typing speed and excellent language command.

How much you can make: $3,000 — $200,000/month

How long does it take to build: 75 days (?)

How We Started A $100K/Month Company That Provides Transcription Services

How this founder started a $100K/month guaranteed transcription service for medical, legal, law enforcement, financial, academic and general business industries, winning the NASPO ValuePoint transcription services contract over 26 other companies and learning valuable lessons about getting a coach and getting as much PR as possible.

Read by 13,323 founders

16. Start a tree maintenance business

The tree service business is a great venture because homeowners and commercial property owners will always have trees that need attention.

A tree service business offers services such as pruning branches, cutting away dead branches or pruning, transplanting, tree removal, and stump grinding, among others. Tree service companies use climbing and rigging techniques to help in the maintenance and appearance of trees.

Starting a tree trimming & tree maintenance service can be a great business opportunity, however, you will need specific skills to perform the tasks.

How much does it cost to start: $8,000 (?)

How long does it take to build: 60 days (?)

17. Become an interior designer

Interior designing involves making indoor spaces safe, functional, and beautiful by determining space requirements and selecting essential & decorative items such as colors, lighting, and materials.

The global luxury interior design market is growing at a CAGR of 9.0%. The growth metrics show there is great potential for entrepreneurs targeting households.

If you are starting a luxury interior design business, focus on style and specialty. Add valuables with creative professions, such as interior design, so you stand out from the rest. Ensure you hire the right people and hone the brand identity.

How much you can make: $100,000 — $415,000/month

How much does it cost to start: $2,000 (?)

How long does it take to build: 90 days (?)

How We (Mother And Daughter) Started A $1M/Year Boutique Design Firm

Mother and daughter duo turn passion for antiques and design into a boutique design firm with over $1 million in annual revenue and hundreds of trophy projects, showcasing the importance of grit, determination, and passion in building a successful business.

Read by 8,863 founders

18. Start a photo booth business

A photo booth business involves providing a portable and automated photography setup that allows individuals to take fun and creative pictures at events or venues.

This business is becoming more popular for various occasions like weddings, parties, and corporate events, providing a unique and entertaining experience for guests.

To start a photo booth business, you need to invest in quality equipment, create a user-friendly website to showcase your services and market your business to event planners and individuals hosting celebrations.

How much you can make: $50,001 — $500,000/month

How much does it cost to start: $6,000 (?)

How long does it take to build: 37 days (?)

How I Run A $50K/Month Wedding Photography Studio Like A Startup

This case study follows the journey of an Indian first-generation entrepreneur who built Studio 31, a profitable and award-winning wedding photography and film company capturing over 350 weddings annually, with a unique focus on customer experience and organic marketing, serving more than 90% NRI clients and generating an annual revenue of about a million dollars.

Read by 17,704 founders

19. Start an online language coaching business

The world has become more globalized. Businesses have become cross-border, and executives have to travel to meet new customers. One thing that is obvious is that there is a need for language translation services.

If you have proficiency in one or more foreign languages then you can consider working as a language coach.

Teaching a language online is intensive as you have to meet and communicate with the audience often, and check their progress. If you are looking for an opportunity to earn working online, consider starting online language lessons.

How much you can make: $5,000 — $120,000/month

How much does it cost to start: $280 (?)

How long does it take to build: 33 days (?)

Transforming The Love For Languages Into A $30K/Month Arabic Online Learning Platform

Andalus Institute is an online language learning institution that teaches Arabic to students in an average study period time of 15 months, unexpectedly crossing 6 figures in revenue within the first 6 months of launch and has since averaged $30,000 per month in revenue.

Read by 5,609 founders

20. Start a home cleaning service

Mopping floors, making beds, cleaning other people’s bathrooms, and vacuuming surfaces are not everyone’s cup of tea. However, if you are looking for a quick way to earn money, consider starting your home cleaning business.

Home cleaners earn per hour or chore, and can work for as many hours to maximize their income. Office-going people or parents with kids to look after do not have the time to clean their houses. Others are just messy and lazy and prefer paying a home cleaning services to keep the house in order.

To start a home cleaning business you do not need any particular skills or prior experience. You can advertise online, perform tasks, get referrals and build a steady clientele.

How much you can make: $100,000 — $600,000/month

How much does it cost to start: $649 (?)

How long does it take to build: 37 days (?)

How I Started A $100K+/Month Home Cleaning Service For Busy Individuals And Airbnb Hosts

MaidThis®, launched by Neel Parekh in Los Angeles with just one cleaner in 2013, has achieved over $10 million in total revenue by focusing on cleaning Airbnbs and vacation rentals, thanks to its successful remote business model and new-age marketing tactics, and has now launched MaidThis Franchise to expand the business further.

Read by 21,719 founders

21. Start a lawn care service

Are you ready to begin your lawn care business and be your boss? A lawncare business offers lawn aeration, Seeding, fertilizing, soil acidity tests, and controlling weeds, among other services. If you love creating amazing landscapes, consider starting a lawn care company.

To start lawn care legally and run it profitably, you must register the business legally. You can get into a franchise or start a business from scratch. Decide what lawn care services you will offer and your target clients.

To offer effective service, purchase lawn care equipment, and hire skilled lawn care personnel.

How much you can make: $10,000 — $375,000/month

How long does it take to build: 75 days (?)

Uber For Lawn Care: How I Built A $30M Software

GreenPal has bootstrapped their business to over $30 million a year in revenue, after securing an unsecured line of credit for $85,000, and have built the operating system and platform for small lawncare companies to run their entire business through, becoming live in all 50 US states and having 1.2 million homeowners using the platform.

Read by 5,204 founders

22. Start a decluttering business

Are you looking for a simple to-start business opportunity with low overhead cost and attractive profit margins?

Consider starting a decluttering business.

As a professional organizer, you will help households and businesses turn clutter and chaos into cleaner and more efficient spaces.

Choose a niche and create a detailed business plan to start a decluttering business.

How much you can make: $12,000/month

How much does it cost to start: $500 (?)

How long does it take to build: 35 days (?)

How I Make $96K/Year Decluttering People's Homes

Pretty Neat, a service-based company that helps clients get their homes and spaces organized, grew 800% from year one to year two and continues to see growth through word of mouth, SEO, and consistency in service and communication.

Read by 4,214 founders

23. Start a laundromat

The first laundromat opened in the United States in 1887. It was invented by the entrepreneur Josephine Cochrane, who was frustrated with having to wash her family’s laundry by hand.

The laundromat is a self-service facility that provides washing and drying machines for personal use. There are many different types of machines available, including coin-operated ones and those that require a card. They also provide various types of detergents and fabric softeners for use with the machines.

A laundromat can make a lot of money if it is in the right location and has the right prices.

How much you can make: $9,300 — $100,000/month

How long does it take to build: 75 days (?)

How We Started A Laundry And Dry Cleaning Franchise Business In India

Pick My Laundry, India's on-demand laundry and dry-cleaning service provider has developed a mobile app and website serving almost 50,000 customers in its first year after signing up 100 third-party laundry services and franchising its model with over 50 franchises across more than 15 Indian cities.

Read by 7,982 founders

24. Mobile pet grooming business

A mobile pet grooming business offers the convenience of professional grooming services right at the doorstep of pet owners.

With this service, your day-to-day activities involve traveling to clients' locations with a fully equipped mobile grooming van, providing personalized grooming services for their beloved pets.

How much you can make: $250,000/month

How long does it take to build: 60 days (?)

Time commitment per week: Min. 5 hours/week

How These Two Friends Started A $250K/Month Professional Pet Care Business

Woofie's founders share how they launched a pet care business from a $10 dog walk into a company that brought in over $3M in revenue in 2019, offering services such as mobile pet grooming, pet sitting and dog walking, and have expanded their business into franchises.

Read by 8,071 founders

25. Start an event planning business

Event planners handle different tasks related to making the business a success. Some of the event planner’s responsibilities include:

  • Conducting research
  • Creating the event design
  • Finding an ideal site
  • Arranging for food, décor, and entertainment
  • Planning logistics to and from the event
  • Sending invitations
  • Supervising at the site etc

To start this business on a budget, begin by honing your organizational and communication skills.

Next, create a detailed business plan outlining your services, target market, and pricing structure.

Utilize free or low-cost online tools for marketing, and consider starting small by offering services for smaller events before expanding your business as you gain experience and resources.

How much you can make: $20,000 — $500,000/month

How much does it cost to start: $1,000 (?)

How long does it take to build: 90 days (?)

How I Started A $35K/Month Event Decor Business

Akshay Patel's event rental and decor business, Simply Decor, Tents, and Events, saw an average ticket price of $2,000, as their advertising budget decreased from $20k to $5k, leading to 40% of their clients coming through social media advertising, 30% from expos, and 30% online in google, yahoo, and other platforms.

Read by 17,867 founders

meet the author
Samantha Walls

I'm Sam Walls, COO of Starter Story - a platform and community for entrepreneurs and future founders to learn what it takes to build a great business. I joined the Starter Story team approximately 3 years ago, with the goal of providing our readers with the best, most valuable, and inspirational content on the internet.