Validate your idea before you launch

The worst mistake is to spend months building a product nobody wants. Here's how to test real demand, on a shoestring, before committing time and money.

An idea is only worth something if someone is willing to pay for it. Many founders fall in love with their concept and skip validation — only to discover too late that the need didn't exist, or not at that price. Validating isn't asking your friends if they "think the idea is nice." It's measuring real intent.

1. Get out of your head, go talk to people

Validation starts with conversations with real potential customers — not your circle, who'll always be encouraging. Talk to strangers in your target. Listen to their problems rather than pitching your solution. What they already do today to solve that problem tells you more than what they say they want.

2. Test a commitment, not an opinion

A favorable opinion costs nothing. A commitment does. Look for signals that cost the person something: a pre-registration, a deposit, a waiting list, a test order. "I'd love that" isn't worth "here's my email," which isn't worth "here's a €10 deposit." The costlier the commitment, the more reliable the signal.

3. Build the smallest possible test

You don't need the finished product to test. A sign-up page, a menu offered at a market, a pre-sale, a weekend stand: the goal is to get a real signal at the lowest cost. If nobody bites on the minimal version, better to know now than after six months of investment.

Reading the result

A test can validate, invalidate, or suggest an adjustment. All three are useful. A negative result isn't a failure: it's money and time saved. And often, the test reveals a better angle than the starting idea — that's the moment to pivot smartly.