If the companies didn't want you to do this, then they wouldn't let you do this. They do not want you to do this. What your friend did is considered to be a f

If the companies didn't want you to do this, then they wouldn't let you do this. They do not want you to do this. What your friend did is considered to be a form of return fraud and abuse. The industry term for it is 'wardrobing' or 'renting'. It's a big enough problem that there is a company, http://www.theretailequation.com http://www.theretailequation.com, that helps large firms blacklist people like your friend, though these defenses are fairly recent. Returns require a receipt. Not always.