tell him to pay first and then he can play with the car
if ur gonna let him play with it and then let him walk after he breaks something, well thats just not smart business
if he tells u that he doesnt want to buy a car that doesnt work and thats why he wants to test it, thats a risk he will have to take
if ur gonna let him play with it and then let him walk after he breaks something, well thats just not smart business
if he tells u that he doesnt want to buy a car that doesnt work and thats why he wants to test it, thats a risk he will have to take