Validate before you build a single thing

Most first-time founders build for months, launch, and then find out nobody wanted it. The lean way is the opposite: find out first, for almost nothing.

The one question

Before you write a line of code, answer one thing: will a real person pay for this? Not “would they like it” — will they act.

The fastest way to know isn’t a survey. It’s a small, honest test:

1. A landing page describing the offer as if it already exists.
2. A real call to action — pre-order, waitlist with a deposit, a “buy” button that leads to “coming soon.”
3. A tiny bit of traffic — a post, a few ads, a niche community.

If people click and commit, you have a signal. If they don’t, you just saved yourself three months.

Signals beat opinions

Friends say nice things. Strangers with a credit card tell the truth. Every experiment worth running ends in an action you can count — a click, a sign-up, a payment.

That’s the whole method behind Lean Startup: 101 Success Stories: 101 companies that tested the idea before they built the company. Copy the pattern.