Want cash back without having to charge up a storm on your credit card? Bring your unwanted garb to the East Village outpost of this popular buy-sell-trade clothing shop and leave with padded pockets. The best part is that they won’t turn up their noses at Forever 21—all brands are welcome. Score a pair of 7 for All Mankind jeans for $25, current-season Manolo Blahniks for $250 or unload some designer goods for major dough.