There have been tons of studies showing just how our mental biases sabotages us from making sound investing decisions. The most common ways your brain screws you up include:

• You do what everyone else is doing because of herd behavior.
• You confuse "cheap" with "value."
• You throw good money after bad.
• You practice loss aversion and that leads to bad choices.
• You think the future is more unpredictable than it is.

If this sounds a lot like yourself, then check out the below infographic done by Eddy Elfenbein to see how you can retrain your brain: