What personal finance mistakes should everyone avoid

1. Not planning
2. Overspending
3. Buying with consumer credit
4. Delaying saving for retirement
5. Falling prey to financial sales pitches
6. Not doing your homework
7. Making decisions based on emotion
8. Not separating the wheat from the chaff
9. Exposing yourself to catastrophic risk
10. Focusing too much on money

Source: Personal Finance For Dummies – Eric Tyson