What is Justin Jackson's birthday? June 17!

Justin Jackson’s birthday sale

The sale is over!

On June 17th, Justin is turning 38. That’s 13,879 days old!

The sale is over! you can get up to 38% off on:

Product Validation – 38% off

Product Validation Checklist

An interactive checklist that helps you evaluate your product ideas. Make sure you don’t waste time and energy working on the wrong thing!

Includes lifetime access to:

  • 50+ validation steps to complete for your startup
  • Relevant videos and tools for each step.
  • Track, and save, your progress.
  • Get your answers sent to you as a PDF (so you can save them locally).

Use the code birthdaysale to get 38% off.

Buy here

All my books – 38% off

Get all of Justin Jackson's books

These are my most popular books. Normally they’d be $100. You can get them for $55!

Marketing for Developers – $50 off


Programmers who learn marketing are unstoppable. Unlock a new skill that will help you in business or your career.

Get $50 off