Affordable auto insurance and the stuff nobody tells you
For instance, if you do not know exactly how much interest you are likely to pay, estimate your interest a little high. If you do not know how much cash you will be able to get back for your old car, estimate a little low. Experiment with the loan calculator, entering a longer or shorter loan term, a higher or lower interest rate, more or less of a down payment, and so forth. Get a sense of how changes in the different factors change the monthly loan payment. When you go into the dealership or the bank to get funding, you will need to negotiate, and it will help you immensely to know how all the options you are offered will affect your pocketbook.