some powerlifting federations give out "pro cards" like it's bodybuilding but that's basically a marketing gimmick and it doesn't really mean shit. its just an expensive, time consuming hobby even for the best of the best

everyone has a day job that comes first. if i think of some of the top level lifters some of the folks that come to mind are software engineers, doctors, gym owners, day traders, investment bankers, etc. me personally i work in sales.