The $0–$500 Startup Database

A list of businesses that started for under $500, and making $10K+/month

Ask the data real businesses · real revenue · cited

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2 businesses

100% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$20K /mo

Middle half earn $10K – $20K/mo

How they grow

Business models

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AI consulting for businesses. Zero employees, eight companies.

negodiuk.ai

$10K /mo Reported

Unblocked Games Site for kids in school

duckmath.org

$20K /mo Reported

Idea	Revenue	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.
NA AI consulting for businesses. Zero employees, eight companies. negodiuk.ai	$10K /mo Reported	SaaS +4	SEO Press +1	Small businesses +1		Founded 2025 · Solo founder · $600 to start	70	Build this
Unblocked Games Site for kids in school duckmath.org	$20K /mo Reported	Advertising	Facebook Community Optimize conversion rates	Medical Professionals +3		Founded 2021 · Solo founder · West Lafayette, United States	82	Build this

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