Don't make these 10 founder mistakes

Every week I talk to aspiring founders seeking validation for their ideas. They're ambitious and optimistic—but often dangerously wrong about how to succeed.

The worst startup mistakes are those countless others have already made. As a founder, I find myself urgently saying "Stop! Don't do that!" to new entrepreneurs headed for predictable (and avoidable!) pain.

Look, you'll make your own mistakes. But most startup wisdom comes from getting slapped in the face repeatedly until you realize you can choose a different path.

Here are 10 fundamental ways I've screwed up and figured things out over six years building companies. You might not listen (most don't), but these insights could save you time, pain, and maybe even your company.

Want my list of dos and don'ts? Read the full post here.