WD-40 is an amazing tool, and this list of the many hidden uses of WD-40 just proves that. Not only is it pretty cost effective (which means you effectively save money) but it also saves you money by doing things that you would otherwise have to buy other products for. Considering all that it can do, it’s no wonder that WD-40 is the real deal. If you don’t have it at your home as yet, go ahead and buy one (or two!). It’ll help you in loads of different situations.