This is not an idiom because it means just what it says. If something is a bargain, then it is always a bargain. It doesn't matter what the circumstances are.
The plural of bargain is bargains.
Yes, the word bargain can be used as a verb.For example: "We will bargain with them".Other verbs are bargains, bargaining and bargained.
an idiomatic expression
She loved to find bargains.The Bargains Galore store held a sale.Looking for a coat, I found a good bargain.
idiomatic expression
"You" is not an idiom. It is a pronoun.
Idiomatic expression
Not trustworthy
humbly
Jasjs
Give me 1 example of idiomatic expression
This expression means real and simple.