Don't come unprepared - bring along your "homework" and anything that could be needed such as your driver's license, title or loan payment information if you are trading and pay stubs or tax returns for credit applications.
Don't come unless you have enough time - put aside several hours. Make sure you have some daylight to check the car for scrapes or "dings" and to ensure personal safety.
Don't bring small children or anyone not involved in the vehicle purchase - children have a short attention span and friends could influence your decision. 4.
Don't tell the salesperson what you would like your monthly payment to be - let him/her offer the monthly payment once you've been educated on the vehicle you are considering. 5.
Don't sign a contract without considering the final price of the car and ensuring that you completely understand the transaction 6.
Don't buy a car until you've taken it for a test drive - drive the car like it's your own, you need to be comfortable with the way it drives, feels and looks. Insist you drive it on city streets and on the highway.
Don't deviate from your agenda - you did your homework and you know what you want to stay in control.
Don't come with your guard up - and assume the dealer wants to take advantage of you. If you've done your homework, know the car you want, and what you're prepared to pay, then you needn't worry.
Don't settle for a salesperson you are uncomfortable with - ask to see the sales manager, explain you're having communication difficulties and request a new salesperson or leave the dealership.
Don't be alarmed if the dealer tells you to take the car off the lot that day - since the dealership pays overhead on each of its vehicles, they want it taken off the lot promptly.
Don't assume you can't do it on your own - if you do your homework: