You’re thinking of buying a sports car. Terrific! Just make sure you’re doing it for the right reasons. If you’re looking for absolute horsepower and gawkers at every stoplight – you’re golden. But if you’re looking to make an investment and sell it for profit in the future – you better think twice. Take a look at these nine secondhand sports cars that certainly won’t be churning up revenue for their owners. All dollar amounts are based on original MSRP values and the prices that clean, low-mileage examples are fetching online.