Now isn't the best time to buy a new car. Supplies are down, manufacturer incentives are evaporating and dealers aren't in the mood to negotiate. You won't find any deals in the used-car market either. But if you simply can't wait to get out of that old heap, think about assuming someone's short-term lease. It's my latest blog for Interest.com. Check it out at http://www.interest.com/auto/advice/postpone-buying-a-car-by-assuming-a-lease/.