Furthermore, you don’t really need to keep the boxes for new but cheap products.

Most return periods are anywhere from 14-90 days, and if there’s even the slightest inkling that you might return the item within that time window, you’ll want to keep the box and any paperwork that came with it. Most stores require that you include everything that came with the item when you return it, including the box, so be sure to check the store’s return policy before throwing everything away.

depends on a number of different factors, including what the item is, how old it is, how much it’s worth, and whether or not you care about the resale value in the first place.