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How to Test Product-Market Fit (Before You Waste Time and Money)

Founders love to build.

But the real question isn’t can you build it—

It’s should you?

Before marketing.

Before fundraising.

Before writing a single line of code…

You need one thing:

Proof of demand.

Why Most Products Fail

It’s not because they’re poorly built.

It’s because no one wants them.

Too many teams skip validation and jump straight to features, funnels, and paid ads.

But without clear demand, all that effort turns into expensive noise.

The 5 Questions You Must Answer

Before you scale, get clear on this:

  1. Who exactly is this for? Vague avatars don’t convert. Precision matters.
  2. What urgent problem does it solve? People pay for pain relief—not “nice-to-haves.”
  3. Why would they switch? If there’s already a solution, what makes yours worth the move?
  4. What signals show this market is ready? Are people searching, complaining, asking? Look for movement.
  5. How can you test the idea fast? Think landing pages, pre-sales, manual outreach—not full builds.

What Validation Looks Like

Validation isn’t a gut feeling.

It’s clicks, signups, replies, and revenue.

Test with:

  • Cold emails to potential users
  • Ads to a waitlist or landing page
  • Pre-sales with limited spots
  • 1:1 interviews with real prospects

If no one bites, that’s feedback. If people say “take my money,” you’ve found fit.

Final Thought

Validation isn’t about slowing down.

It’s about speeding up the right things.

When demand is real, growth isn’t a grind—it’s a response.

Find your fit. Then scale with confidence.

Follow for more zero-fluff strategies that work in the real world.

About WonderAds

Founded by Alice Santos and Alex Pavlenco who both spent close to a decade in the digital marketing space – Alex working for the top marketing companies in the world (Adobe & Dentsu) with global clients (like EasyJet, Deliveroo, Chanel, Santander, F1, etc) and Alice working as a health & wellness influencer with a social media in the hundreds of thousands.

Do you want more traffic?

Hey, we’re WonderAds. We’re determined to make a business grow. Our only question is, will it also be yours to grow?

Agência de Marketing Digital na Área da Saúde WonderAds
We hope you enjoy reading this blog post

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