We’re in the midst of an economic crisis and the American auto industry is in peril, and as this continues, more people will look into private sales and used cars. To keep from making the wrong choices, it’s important to have the right tools, and luckily there are a number of online resources dedicated to helping you with your auto needs. From teaching you about cars to helping you find loans on your own, locating cars around you, and more, here are over 20 tools to help you buy and sell your car.