Buying a new car is an exciting but stressful experience. It's best to be prepared before you even leave home to start your journey from one dealership lot to another. Beside figuring out which car you want and if it is going to fit into your budget, you must decide which additional insurance options you want. The cost of the car can increase dramatically when you add on the interest charges and so many optional benefits that can be financed into the payments. Let's look at these options.