10 brutal emails

10 Days to Your First Customer

The fastest path from idea to revenue

Turn your startup idea into a paying customer in 10 days. No theory. No fluff. Just one brutal task each day that forces you closer to validation—or proves your idea isn’t worth it.

10 Brutal Days. One Paying Customer.

Get a simple, step-by-step guide for validating your startup idea and landing your first paying customer.

    ➡️ Arrives daily same time. Quit anytime if you can’t take it.

    Warning: This isn't motivation. It's elimination. Most of you will quit by Day 3 when you realize your idea sucks. That's the point.

    10 Days to Your First Customer is a email course
    by Burak Büyükdemir.