Explore Successful Businesses

Problems

99 of some of the most painful, in-demand problems in a database for you to check out. How do people spot problems worth solving? What does a “good problem” look like? Can you solve a good problem in the wrong way? How do they know what’s the right solution to build?

Ask the data real businesses · real revenue · cited

Matching your filters

18 businesses

94% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$200K /mo

Middle half earn $10K – $300K/mo

How they grow

Business models

Showing 18 of 18 case studies

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Built With

Affordable postcard marketing system

How we turned $0-out-of-pocket community cards into recurring revenue

communitycardplaybook.com

$4K /mo Reported

Wellness business management tool

All-in-one software for wellness business management.

clinicsense.com

$400K /mo Reported

Executive function coaching

"Online executive function coaching for students with ADHD."

efspecialists.com

$60K /mo Reported

Magical adhd coaching for kids

Magical ADHD coaching for young children.

enchantedcoaching.site

$400 /mo Reported

Cybersecurity risk prevention tool

Cybersecurity consultancy focused on education and prevention

tcm-sec.com

$10K /mo Reported

Passive income website rentals

Rent websites to businesses for monthly passive income.

websiterentalcoaching.com

$200K /mo Reported

Agency-styled digital marketing training

"Agency-style digital marketing training institute."

digitalscholar.in

$40K /mo Reported

Commissioning training programs

Online commissioning training for complex project managers and engineers.

commissioningandstartup.com

$4K /mo Reported

Dog obedience training program

Dog obedience and behavior training for challenging pups.

fraternityk9.com

$5K /mo Reported

Mentor matchmaking platform

Platform for connecting with expert growth mentors.

growthmentor.com

$300K /mo Reported

Finance interview prep courses

Finance career resources and community platform.

wallstreetoasis.com

$300K /mo Reported

Law practice success training

"Transformative business training for lawyers seeking fulfillment."

newlawbusinessmodel.com

$300K /mo Reported

Probiotic skincare solutions

"Active probiotic skincare for sensitive skin solutions."

amperna.com

$300K /mo Reported

Productivity coaching program

"Coaching for creatives to optimize productivity and avoid burnout."

zackarnold.com

$10K /mo Reported

Business communication agency

we don’t have specific positions posted at the moment, we’re open to talented individuals who align with our mission and can help us grow. --- One-liner for SquarePlanet: "Business communication firm crafting impactful corporate stories."

squareplanet.com

$300K /mo Reported

Online nutrition coaching program

Online nutrition coaching company with a community-driven approach

strongeru.com

$600K /mo Reported

Career reintegration platform

Empowering women re-entering the workforce post-career break.

beboldbeuma.com

—

SaaS spend control platform

SaaS management platform for controlling software expenses.

cledara.com

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Idea	Revenue	Problem	Model	Growth	Customers	Tools	Details	Solo score A 0–100 estimate of how well-suited a business is to being run solo (or very lean). It blends team leanness, business model, growth channels, capital intensity, revenue per operator, tooling leverage and recency into one score. Higher = more solopreneur-friendly.
CC Affordable postcard marketing system communitycardplaybook.com How we turned $0-out-of-pocket community cards into recurring revenue	$4K /mo Reported		Digital Products & Courses +4	SEO Email marketing +1	Real Estate Agents +6	CH HI CA +6	Founded 2024 · 2 co-founders · $10 to start	71	Build this
Wellness business management tool clinicsense.com All-in-one software for wellness business management.	$400K /mo Reported		SaaS +4	Email marketing Advertising on social media +1	Wellness Practitioners +9	+11	Founded 2013 · 12 people · $20K to start	65	Build this
Executive function coaching efspecialists.com "Online executive function coaching for students with ADHD."	$60K /mo Reported	Students need resources to succeed.	Coaching +4	Word of mouth Email marketing +1	Parents of Students wit... +3	+15	Founded 2019 · 10 people · Built in 120 days	63	Build this
EC Magical adhd coaching for kids enchantedcoaching.site Magical ADHD coaching for young children.	$400 /mo Reported		Coaching +2	Word of mouth Advertising on social media +1	Parents of Children wit... +1		Founded 2022 · Solo founder · $700 to start	60	Build this
Cybersecurity risk prevention tool tcm-sec.com Cybersecurity consultancy focused on education and prevention	$10K /mo Reported		Consulting +7	Advertising on social media Direct sales +1	Startup Founders +10	CU +30	Founded 2021 · Solo founder · $3K to start	66	Build this
Passive income website rentals websiterentalcoaching.com Rent websites to businesses for monthly passive income.	$200K /mo Reported		Coaching +2	Outsourcing SEO	Entrepreneurs +4	YO MA	Founded 2016 · 2 people · $1K to start	81	Build this
Agency-styled digital marketing training digitalscholar.in "Agency-style digital marketing training institute."	$40K /mo Reported		Course +4	Pay Per Click Advertising Organic social media +1	College Graduates +9		Founded 2019 · 25 people · $300K to start	40	Build this
Commissioning training programs commissioningandstartup.com Online commissioning training for complex project managers and engineers.	$4K /mo Reported		Online courses +1	Advertising on social media Direct sales +1	Project Managers +3	CO KA BO +2	Founded 2019 · Solo founder · $5K to start	67	Build this
Dog obedience training program fraternityk9.com Dog obedience and behavior training for challenging pups.	$5K /mo Reported		Coaching +1	Direct sales Word of mouth +1	Dog Owners	HI	Founded 2019 · Solo founder · Built in 30 days	50	Build this
Mentor matchmaking platform growthmentor.com Platform for connecting with expert growth mentors.	$300K /mo Reported		Marketplace +3	SEO Word of mouth +1	Startup Founders +3	+13	Founded 2018 · Solo founder · Albuquerque, New Mexico, USA, United States	60	Build this
Finance interview prep courses wallstreetoasis.com Finance career resources and community platform.	$300K /mo Reported		Course +5	Word of mouth Email marketing +1	Undergraduates +4		Founded 2006 · 15 people · Saratoga, California, USA, United States	60	Build this
Law practice success training newlawbusinessmodel.com "Transformative business training for lawyers seeking fulfillment."	$300K /mo Reported		Course +3	Advertising on social media Email marketing +1	Lawyers +2		Founded 2012 · 10 people · Boulder, Colorado, USA, United States	58	Build this
Probiotic skincare solutions amperna.com "Active probiotic skincare for sensitive skin solutions."	$300K /mo Reported		E-commerce +2	Word of mouth Press +1	People With Sensitive Skin +3		Founded 2016 · 5 people · Sydney, New South Wales, Australia, Australia	63	Build this
Productivity coaching program zackarnold.com "Coaching for creatives to optimize productivity and avoid burnout."	$10K /mo Reported		Online course +3	Podcasting Email List Growth +1	Creative Professionals +5	+3	Founded 2014 · Solo founder · Los Angeles, California, USA, United States	66	Build this
Business communication agency squareplanet.com we don’t have specific positions posted at the moment, we’re open to talented individuals who align with our mission and can help us grow. --- One-liner for SquarePlanet: "Business communication firm crafting impactful corporate stories."	$300K /mo Reported		Consulting +4	Press Direct sales +1	Corporate Event Planners +8	AD +21	Founded 2011 · 7 people · Phoenix, Arizona, USA, United States	50	Build this
Online nutrition coaching program strongeru.com Online nutrition coaching company with a community-driven approach	$600K /mo Reported		Coaching +1	Word of mouth Referral Program +1	Teenagers Seeking Nutri... +6	CO +4	Founded 2015 · 54 people · Newburgh, New York, USA, United States	60	Build this
Career reintegration platform beboldbeuma.com Empowering women re-entering the workforce post-career break.	—		Coaching +3	Word of mouth Press +1	Women Returning to Work... +5	+2	Founded 2016 · 7 people · New York, New York, USA, United States	44	Build this
SaaS spend control platform cledara.com SaaS management platform for controlling software expenses.	—		Per meal +24	Outbound Content marketing +1	SMBs +2	SA	Founded 2018 · 2 co-founders · London, UK, United Kingdom	70	Build this

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