<p>Some students say buy all of your books required, while others say some books they bought they never used. So should you buy all your books before school or until they are absolutely needed?</p>
<p>I say wait till your 1st class just to make sure your professor requires the text. Also, you might be able to get it cheaper from former students who are selling their book in groups such as facebook. BU Textbook Selling.</p>