If you – or your kids – have a pile of trading cards lying around the house, you could be sitting on a goldmine. Whether it’s your child’s obsession with Pokémon cards or some old Star Wars ...
Credit: Karina Mahadeo; Steve Hesse "A card is worth nothing until someone buys it. It’s all based on whatever the market dictates," says Trent Humphries of Tolaria East, Inc., a Magic ...