Be honest: How many cardboard boxes do you have languishing down in the basement, stuffed up in the attic or flattened and tucked in a hall closet? After a move (or thanks to an insatiable Amazon ...

Every attic has a few boxes stashed away—the ones you never got around to unpacking after the last move, Grandpa's coin collection, and the old toys your parents shipped to you "because the grandkids ...