The Blog.

Most founders track the wrong things and draw the wrong conclusions. Here's a clear-eyed guide to the metrics that genuinely signal whether your idea has legs.

Interest and willingness to pay are completely different things. Here's how to test whether people will actually open their wallet for your idea -- before you write a single line of code.

You don't need expensive software to validate a startup idea. Here's a curated set of free and low-cost tools that cover every stage of the validation process.

Founders obsess over their signup count. But the number alone tells you almost nothing. Here's what actually matters when reading your waitlist as a validation signal.

Every real startup began as a rough, half-formed idea. Here's how to take that spark seriously enough to test it -- without building anything before you know it's worth it.

A SaaS idea needs a different kind of validation than a one-time product. Here's a two-day framework built specifically for recurring revenue businesses -- no code required.

Validation done wrong is almost as dangerous as skipping it entirely. Here are five mistakes that make founders think they have a green light when they don't.

Most founders ask the wrong questions and get useless answers. The Mom Test is a simple framework for having customer conversations that actually tell you the truth.

A landing page is the fastest way to test if strangers actually want what you're building -- before you write a single line of code. Here's exactly how to do it.

Founders use these two terms interchangeably all the time. They're not the same thing -- and confusing them leads to wasted time, wrong conclusions, and products nobody wants.