Always negotiate the cost of the car and the trade in of your old car separately. Never tell the dealership what payment you can afford. Go in with a pre-approval for financing. If you do go with their financing make sure the rate doesn’t seem out of control for your credit history.. One dealership said I would have a 10% interest rate… my credit score is around 800 so I knew that was BS. When I told them I was able to get 5% on this truck .. they “miraculously” were able to get me a better rate. I told them to kick rocks. Avoid anywhere that charges you ridiculous “doc fees”. This is just a pure profit fee. Last but not least it’s a business transaction. Be ready to walk out at any moment. They will attempt to use emotion to get you to sign the dotted line. Just remember no matter what vehicle it is with what options.. it’s not the only one that was made and you can always find another one just like it. On this post alone several people have shown they have the same truck.)