I've always enjoyed washing, waxing, and detailing my cars. One of the more helpful products I've come across in recent memory are those ubiquitous yellow microfiber cloths from Costco. Sold in packs of 4,000 36, these cloths are great for a variety of auto-related tasks. I use them for nearly everything from waxing the paint and cleaning my wheels, to wiping down the interior and detailing the engine bay. They're washable, soft, and about $15.