By Xin LuWhen I went to college it was unheard of to rent textbooks, but a number of outfits such as Chegg, Campus Book Rentals, and BookRenter.com have sprung up in the last few years that allow students to rent good quality textbooks at a fraction of the purchase price. Additionally, some book publishers are also getting into the business of renting out textbooks at campus bookstores. As an experiment, I checked out these sites to see if it is really worthwhile to rent a textbook. Example 1: A