bargain on (something)
bargain on (something)
To expect, anticipate, or plan on something or some situation. I didn't bargain on having to look after my daughter's children when I retired. I'm bargaining on having enough money saved by the end of the year to buy a brand new sports car.
bargain on
v.
To expect or be prepared for something: He thought he was on time, but hadn't bargained on waiting 30 minutes for the bus.