Women, update your wardrobe without opening your wallet.
"If there's something that four people want, you can bet there's going to be a bid war. When that happens, watch out!" she said.
From pumps you're just over, to jewelry from an old flame, there is always something you don't want that someone else may. No one makes any money at the event, but then again, no one spends any, either.
The greenest fashion is making old new again.