The products you use infrequently or seasonally should be stowed on high shelves in bins with snap-on lids. A linen or hall closet works best for most people. Clear, plastic, stackable, and sturdy are the four qualities to look for. What they're good for: first-aid supplies; medicines (prescription or otherwise); sunscreens; multiples of toothpaste, toothbrushes, razors, and bars of soap.