The #1 tip can work against you. I bought a car for my wife in 2016 and was planning to pay cash, but I did not disclose this. After we came to terms, they pu

The #1 tip can work against you. I bought a car for my wife in 2016 and was planning to pay cash, but I did not disclose this. After we came to terms, they pushed very hard to try to get me to finance the vehicle because they were getting incentives from the manufacturer. I held firm and got a very good deal.