10 Things You Should Never Say to a Car Salesman “I really love this car” … “I don’t know that much about cars” … “My trade-in is outside” … “I don’t want to get taken to the cleaners” … “My credit isn’t that good” … “I’m paying cash” … “I need to buy a car today” … “I need a monthly payment under $350” More items… • Jan 6, 2021