I'll buy that for a dollar - A way of saying 'I'll take that and still have cash left to

A way of saying 'I'll take that and still have cash left to buy you a curse and a snack.'

I'll buy that for a dollar and still have enough to throw at your face and buy you a curse.

That idea? I'll buy that for a dollar and still have cash for my coffee and my insults.

I'll buy that for a dollar, and I'll still have enough to laugh at you and buy a snack.