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Testing Price Sensitivity Before You Have a Product
Ask people what they'd pay. Then ask them to prove it.
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The Demand Test: Before You Build Anything
Demand isn't something you create — it's something you discover. Here's how to test whether real demand exists before investing any time in building.
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The Five-Dollar Validation Framework
You can validate almost any business idea for less than five dollars. Here's the framework that strips validation to its absolute minimum cost.
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How to Test Three Business Ideas in One Weekend
You don't need to bet on one idea. Test multiple fast.