Sell your lecture notes online (a lot of third party websites can help)

(UCLA)

I was selling lecture notes online through a company that paid out commission for everything I sold. I could usually make about $100 for one course's worth of notes. Seeing as I would be taking notes anyway it was a pretty good deal AND extra incentive to study. You can apply to be a notetaker at
http://www.notehall.com/app/EconBruin1138.