Yup. I bought a textbook prior to class exactly 1 time. The registration office flat out lied to me and told me it was required to buy all books before the start of the class or I'd be marked withdrawn on day one (my grants counted withdrawn as failed, so if I got dropped from a class or even tried to change classes, I'd fail out and lose all my funding).

Day one, I pull out the book only for the prof to say "don't buy the book, I know they tell you it's required but we won't use it except for 2 assignments and I'll print out the sections of the book you need for them." Never paid for another text book until after the class had started. In 4 years, I only actually needed 4 textbooks and 1 of them was a "you can't get the access code to the site that 100% of your assignments are on unless you buy the textbook" shills.