Problem: Your trunk looked like a bowl of cereal the last time you got home from the store, after the gallon of milk fell over and leaked everywhere.

Solution: The Creekside Cargo Mini ($40, www.drivewerks.com) has adjustable section dividers and firm sides that hold bags upright. It folds (and pops open) easily. Plus, it's a lot spiffier (and tougher) than an old cardboard box.