1. Not following an Investment Strategy
2. Letting Emotions ruin your returns
3. Not selling Losing investments hoping they will rebound
4. Listening to your golf buddy Bob for investment tips
5. Listening to your Wall Street firm for investment ideas
6. Not reading the Fine Print before you are Sold by your broker on Free Money Bonuses and 8% returns
7. Being sold Annuities and non-traded REITs by your broker
8. Thinking investing is as easy as Buy and Hold
9. Underestimating the risk each investment has
10. Utilizing a Salesman to Sell you investments versus a Fee-Only Investment Advisor/money manager