Generally, a new car loses about 10 percent of its value the moment it is driven off the dealership lot, and another 20 percent within the first year of use. Going by that, car owners will be staring at a vehicle with just around 50 percent value by the time it is 3 years old. So, it is not always puppies and rainbows when buying a pre-owned car from an independent seller. Buying repossessed cars,…