A practical framework for business validation that focuses on testing riskiest assumptions with minimal resources before committing to full development.

1. Identify your riskiest assumption

2. Talk to potential customers about their current behavior

3. Test willingness to pay, not just interest

5 stepsOpen page

StartupsWhat Isguide

Updated 2026-03-28

What Is Product-Market Fit and How to Measure It

A practical explanation of product-market fit that focuses on measurable signals, diagnostic questions, and corrective actions for pre-PMF startups.

1. Apply the Sean Ellis survey to your active users

2. Examine your retention curve shape, not just totals

3. Track organic pull signals weekly

5 stepsOpen page

StartupsHow toguide

Updated 2026-03-28

How to Validate a Startup Idea Before Building Anything

A pre-build validation framework that helps founders test demand with real market evidence before committing engineering resources.

1. Write your idea as a specific problem statement, not a product description

2. Find and interview ten people who have the problem you are solving

3. Build a simple landing page describing the solution and collect signups

5 stepsOpen page

StartupsRankingranking

Updated 2026-03-27

Best Startup Tools for Founders

Best Startup Tools for Founders curated for founders building a lean operating stack.

StartupsRankingranking

Updated 2026-03-27

Best Startup Ideas for Solo Founders

Solo-founder startup ideas ranked by execution simplicity and validation potential.

#1 Niche SaaS tool

#2 Template marketplace

#3 Research newsletter

5 entriesOpen page

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