Between your classes, extracurriculars, and you know, having a life, you probably don't have a lot of spare time to earn money. Luckily, you can earn some spending cash in the little time you do have with these small jobs and services.
In college you'll learn how to get rich slowly, legitimately, by hard work and pursuing a fruitful career. But during those four years in undergrad--and quite possibly beyond--sometimes you just need pizza money. Fast.