It may not be the best investment but supposing you decided to learn how to be an auto-mechanic . . . This would not only save you money in the long run but should you desire to, you could start an auto-repair business on the side. You could also be your neighbors go-to mechanic. This could make you some good dough in your free time. Anyway, would learning how to fix you car be beneficial to you in terms of what you'd save taking your car to the professionals for servicing and other stuff?