an advantageous purchase, or something bought at an advantageous, often reduced price

an agreement between parties concerning the terms of a transaction between them or the course of action each pursues in respect to the other

A bargain had been struck

a transaction, situation, or event regarded in the light of its good or bad results

You have to make the best of a bad bargain

(often + with) to negotiate over the terms of a purchase, agreement, or contract

to come to terms; to agree