1+ week, 5+ day ago (126+ words) Customers will be able to trade in one item for store credit If it sounds like an April Fool's Day joke, guess again! GameStop, the video game retail giant, is hosting a "Trade Anything Day" on Saturday, Dec. 6, where people can bring in almost anything to trade in for a store credit. There are a few ground rules, however. For one, the company says the item must fit in a 20-by-20-by-20 box. So, if you were hoping to trade in your retro Sony Trinitron CRT TV from the '90s, you're out of luck (although you may find another customer willing to buy it). GameStop also says you can only receive store credit on one traded item. See below for additional details....