I'd rather sell my textbooks for money (perhaps I don't like beer). I can then choose to buy wine, more books, cigarettes, course fees ... That said, it's kind

I'd rather sell my textbooks for money (perhaps I don't like beer). I can then choose to buy wine, more books, cigarettes, course fees ... That said, it's kind of a neat way to find which site is paying the most for my books. Kudos for a simple execution.