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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?

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1 business

100% founder-reported, the rest researched

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Median revenue

$200K /mo

Middle half earn $200K – $200K/mo

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Business models

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Built With

Reinvented rough terrain wheel

Revolutionary sine wave wheels for smooth, rough terrain.

sharkwheel.com

$200K /mo Reported

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.
Reinvented rough terrain wheel sharkwheel.com Revolutionary sine wave wheels for smooth, rough terrain.	$200K /mo Reported		E-commerce +2	Word of mouth Advertising on social media +1	Skateboarding Industry +13	+19	Founded 2012 · 4 people · $200K to start	52	Build this

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