Should I give my husband another chance after he admitted he slept with others for financial purposes only?
Was this before you were married? If so, then forget about it. It's not your business, unless he has issues from those days he'd like to get off his chest.
If it was after you were married, were you aware there were financial issues?
If this was after you were married, and there were no financial issues, and this was something he did for a lark or to buy the new version of God of War, then you might have reason to discuss what went on and would he ever want to do this again.