There's a sucker born every minute.
We'II take them for aII they've got.
what" We'II take them for aII they've got." mean?
We will cheat/swindle/trick them out of all of their money.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.