Have you decided to go with the option of having a used car? What's your budget? Want to buy used cars under $2500? or Want to buy used cars under $3000? Well, whatever it is, buying a used car doesn't have to be a huge headache for you. It becomes an easy process when you keep some key points in your mind when you are going to buy one. Approx 30 million used cars are sold year over year. You might be wondering about the options as the choices can seem pretty overwhelming.