Vinny is a new app available at Google Play and the App Store that allows an individual who is looking to purchase a new or used car to figure out the dealer invoice price. We have helped hundreds of people save money on their car purchases. After you've used the Vinny App to help in the negotiation process, we thought it would be a good idea to give you a few tips to keep that car or truck running smoothly. Enjoy our 10 quick car tips.