1.) Kissing Frogs -Rationalizing my way into mediocre investments
2.) Not selling when I knew the story changed
3.) Selling long-term winners to buy losers
5.) Making excuses for bad capital allocation
6.) Deploying capital quickly after a big win
7.) Trying to make money back twice as quick after a loss
9.) Only talking to the CEO instead of talking to employees
10.) Getting more and more concentrated when you underperform
11.) Waiting for long-term gains when you want to sell a short-term winner
13.) Taking my eye off the ball – small businesses evolve quickly, often times not in good ways.
14.) Focusing on new opportunities more than what I own.