absolute, amazing, excellent, good, great, incredible, real

find, get, pick up
I picked up a really good bargain in the market.

buy (esp. BrE), price, rate
hunter, hunting
basement
The shop sells books at bargain-basement prices.

bin

grand (esp. AmE)

make, strike

bargain between
A bargain was struck between the employers and the unions.

bargain with
I'll make a bargain with you.

drive a hard bargain (= force sb to agree to the arrangement that is best for you)
sb's half of the bargain, sb's part of the bargain, sb's side of the bargain
Her part of the bargain was to provide the food.

keep (to) your half of the bargain, keep (to) your part of the bargain, keep (to) your side of the bargain
You haven't kept your side of the bargain.