You can improve a closet's look (and a house's desirability) by installing a simple, neat closet organization system for under $100. Here's how. Closet Organization for Under $100 All you need is a drill, a level, a hacksaw and a handful of basic tools. Start by measuring the closet's dimensions and, to keep things really simple, get a full organization kit from a home improvement store that matches the space you have. (Kits usually run between $50 and $100.) You don't have to take that route, though - you can purchase individual shelves for much less after mapping out the