Don't know what the hell you're doing when it comes to investing? Hey, join the club. Good thing Morningstar is offering free investment classes on their website. They're organized like college classes, and you can earn points for completing the quizzes at the end of each class. Points can be traded for prizes, but really, isn't knowledge its own reward?—MEGHANN MARCO

Morningstar Investing Classroom [via Lifehacker]