The Common Start-up Mistake You Don't Want to make - great Inc.com article

1. It takes longer to get products right than anyone imagines.

2. It takes longer to get positioning right than anyone imagines.

3. Money comes in more slowly than even the worst pessimist imagines.

4. Decision makers take their time.

5. Reputation, the best marketing device you will ever have, takes time to build and circulate.