The Idea Database

Real businesses with a revenue figure we can source — from founder interviews and our own public-data research. What each one sells, what it earns, how it grew and what it runs on. Newest first.

Ask the data real businesses · real revenue · cited

Matching your filters

3 businesses

33% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$200K /mo

Middle half earn $30K – $2M/mo

How they grow

Business models

Showing 3 ideas

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Revenue

Starting Costs

Lead capture for ecommerce

Customer identification tool for anonymous website visitors

retention.com

$2M /mo Estimated

One-page site builder

Simplified one-page website builder for everyone.

carrd.co

$30K /mo Estimated

Discounted airport parking service

Discounted airport parking reservations for budget-conscious travelers.

onairparking.com

$200K /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.
Lead capture for ecommerce retention.com Customer identification tool for anonymous website visitors	$2M /mo Estimated	Yield generating products +26	Word of mouth Organic social media +1	E-commerce Brands +2	GM +5	Founded 2019 · 120 people · $2M to start	56	Build this
One-page site builder carrd.co Simplified one-page website builder for everyone.	$30K /mo Estimated	Repeat customers +6	Affiliate program Word of mouth +1	Entrepreneurs +2	CU	Founded 2016 · 10 people · $500 to start	63	Build this
Discounted airport parking service onairparking.com Discounted airport parking reservations for budget-conscious travelers.	$200K /mo Reported	Marketplace +1	Organic social media Facebook Community +1	Price Sensitive Leisure... +2	TY	Founded 2016 · Solo founder · San Francisco, California, USA, United States	60	Build this

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