Whether you buy or lease, save money on the deal with tips from IHateFinancialPlanning.com (ARA) - For many Americans, a car is the second largest purchase they make. Advertisers devote millions of dollars to convince us that we deserve to own the hottest set of wheels. The same people who used to yell, “I want my MTV!” are now shouting, “I want my SUV!” But step inside a dealership, and confident car shoppers are like deer in headlights when confronted by aggressive sales…