So if you’re looking to save money, here are useless things you don’t need to buy now — or ever again. Formalwearyasinemir/istockphotoDressing up can be fun, but most people rarely find themselves in need of expensive black-tie formal wear. Baby Shoesmikanaka/istockphotoFace it: Babies don’t need shoes. A She Knows parenting blogger compiled a tongue-in-cheek list of 12 reasons a baby really, really doesn’t need warm wipes. When health food stores advertise expensive juice cleanses, herbal whole-body detox kits, colon cleansers, and so on, they’re trying to sell customers things they really don’t need.