Having an old junk around is a pain. Wrecked cars are not usually worth much as trade-ins, so you may be stuck with a car that is both useless and costly. In some areas, you may be responsible for registering your car with the authorities and making sure it is insured, even if you are not driving it. Why go through this expense and hassle for an old car? You can simply sell your old cars and enjoy the money you need right now.