drive a bargain

[drive a bargain] {v. phr.} 1. To buy or sell at a good price; succeed in a trade or deal.

Tom's collie is a champion; it should be easy for Tom to drive a bargain when he sells her puppies.

Father drove a hard bargain with the real estate agent when we bought our new house.

2. To make an agreement that is better for you than for the other person; make an agreement to your advantage.

The French drove a hard bargain in demanding that Germany pay fully for World War I damages.