How 365 founders got theirfirst paying customers.

Every principle is backed by real evidence. No theory — just what actually worked, extracted from 365 founder stories.

1,067
Principles
3,041
Evidence Cases
42
Product Stories

Most Validated Principles

The patterns with the most evidence behind them

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Growth Stories

How real products went from 0 to traction

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1067 principles across 10 categories

Latest Case Studies

Fresh founder stories, analyzed

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