It's possible for people who knows how to make big money with bitcoins, experience is very important here, newbies can't do it at my opinion.
i dont think it is kinda possible to do that right now as bitcoin does not provide any jobs as far as i know, also working just for bitcoins is risky
Not all job in bitcoin is risky. I think getting work in bitcoin is same as getting work on real life. You can earn a living with bitcoin by you also need hard work to earn that like on real life.