In the following video, Fool contributor Matt Thalman discusses three of the key lessons he's learned from the CNBC TV show American Greed.
The first is that if something sounds too good to be true, it probably is. Second, investors should have a very diverse portfolio of investments and not have all their money tied up in one place. Finally, at the end of the day, you personally are the only one that has your best interests at heart 100% of the time.
Click on the video to find out more and how you can better protect your money.