Day 0 → PMF
Everything you need to validate, build, launch, sell, grow, fundraise, and operate your startup. 50+ templates, 150+ checklists, tools, and AI prompts.
90-Day Founder Journey
Click any phase to jump to its resources. Your timeline may vary—this is a framework, not a rulebook.
Why 90% Fail at Validation
- Building before talking to customers
- Asking friends & family (they lie to be nice)
- Surveys without follow-up conversations
- Validating solutions, not problems
- Analysis paralysis for months
Problem-Solution Fit vs PMF
- Problem-Solution Fit: People have the problem you're solving
- Product-Market Fit: People will PAY for your solution
- First prove the problem exists (10+ conversations)
- Then prove willingness to pay (pre-orders, LOIs)
- PMF = retention + word of mouth + pull demand
The Mom Test Principles
- Never mention your idea until end
- Ask about their life, not your idea
- Focus on past behavior, not future promises
- "Would you pay $X?" → "When did you last pay for...?"
- Bad data is worse than no data
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