5. Buying the "deal" instead of the vehicle.
Automakers have been offering a variety of attractive sales incentives in recent years, from 0% financing and hefty cash rebates to employee-discount pricing programs. These can save you money, but it's important to remember that any deal is only as good as the car that's attached to it. Just because you can get a good discount doesn't mean you should buy the vehicle. After all, you'll be living with the vehicle for years, so make sure it's the right one for you. Thoroughly research any model you're considering and check our Ratings and reviews of competitive models (see our New-vehicle Ratings comparison, available to subscribers). You may find you can get a much better vehicle for not much more money. Also check the reliability of the model (see our Reliability Ratings, available to subscribers). Despite an attractive discount, a vehicle with subpar reliability--and the possibility of hefty depreciation--might not be much of a bargain in the long run. A related tip: Don't let a special incentive keep you from negotiating. Rebates and special financing are subsidized by the automaker, not the dealership. You should still negotiate the vehicle's price as if there were no incentive. There's no reason you shouldn't get the best price and the incentive, too.