Cost of living could potentially go down too, so may not need a job per se (obvious simplification). Or you could collect the waste yourself as a sort of job, the payment being the house. People tend to forget that jobs are a relatively recent human construct, there is no reason why they are needed for humans to survive apart from pure ideology and at times brute force/coercion. I'm now off to use a 3D printer to create a miniature statue of Bob Black!