How To Optimize
If you haven't figured it out by now, you can not just blindly follow the Buy/Sell alerts. This will return moderate results.
To get the full potential out of the TradingLab indicator, you have to do a lot more than just follow the simple Buy/Sell signals. You should be incorporating price action, support/resistances, volume, divergences, risk management, etc.
If you haven't already, I would highly suggest you watch this video to get the basics on how to optimize the indicator.