The paperback edition of Rockstar Business is now available for only $10 until the end of December. The limited edition hard cover has already sold out and with over a 1000 copies sold already, this could make some awesome Christmas-time reading... :) If PDF's are your thing, then you can also
First time here? Start with the hits:
If you're validating your (startup) idea, this is the ultimate method.
Because it's a rollercoaster-like life as an entrepreneur.
Every sale and every relationship with a customer starts with you helping them.
Pressing pause on a startup is the hardest thing I've ever done.