9 Purchases Where It Can Pay to Buy Used

We're all about scoring quality used stuff: Who doesn't love saving money while cutting back on waste? While some items are more than worthy of a second (or third or fourth) life, others--like makeup, mattresses, and vacuum cleaners--are best left alone after use. That's why it pays (literally) to know what kinds of goods are okay to purchase pre-owned, and which ones are best bought brand new.