Best Bang for Your Buck phrase informal
Something offers better value for your money.
I suggest advertising our new product on television since we get the best bang for our buck.
To pay the bill for something
Be very expensive
To confront or deal with a problem in a direct and confident way
If you fall for someone's trick the first time then they are at fault.
Are you going to mess with me again? Fool me once, shame on you; fool me twice, shame on me.