Purchasing used DVDs is a great way to save money. Brand-new DVDs, particularly those that have just recently been released, can be rather pricey. If you're willing to wait for a few months and don't mind purchasing a used disc, your chances of getting a good deal on that new movie you want are much improved.
The best place to turn for a used DVD sale is the Internet, especially online auction sites. Unlike buying a used movie from an internet DVD retailer, you can choose how much you want to spend. If you see a used copy of a movie you like but only want to spend $5 on it, you can place a $5 maximum bid for the title. If you win, you'll get the movie that you're after and maybe even at a lower cost than what you had originally planned to spend.
People sell their DVDs on these sites for a range of reasons. Sometimes it's a movie that they've simply lost interest in, and sometimes it may be a film they received as a gift. Whatever the logic behind their used DVD sale, you can rest assured that you're getting the benefit of the bargain.