All three let oxygen seep into bottles, altering a vintage's taste. But you don't have to be a sommelier to store wine properly. But if you've tried that, and you've still served one too many bad bottles, it may be time for something more elaborate.
Wine depot A small temperature-controlled cellar is one solution.
If your collection is more like a vintner's than a taster's, you may be ready to make more of a commitment and spend some cash. Convert a closet or part of your basement into a cellar. Choose a space that's insulated and moisture-free so that outside elements can't intrude. You'll also need a cooling system, which will control moisture. Next you'll need to outfit the cellar with wooden wine racks.