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.

[TahlilGaran] English Idioms Dictionary ▲