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Finally got my list of books for class and they all have the option to rent them for a semester, which I had never seen before (though it's been a few years since I was in school).

Do most people do this? Is it worth the savings? Are they covered in highlights? Am I allowed to highlight?

I've noticed it on multiple websites and at the student bookstore. Any insight would help! Saw a thread or two on this earlier, but it never really answered the quality of the rented books

You don't really save anything because you can't sell them when you're done with them.