Well a lot of digital nomads actually have full-time remote jobs, so they don't really lose that stability because they do have stable monthly incomes. It's just that they don't go to the same office year after year :) If you're interested in learning about the many different ways on how to become a nomad, I think you might find my tiny free book useful: http://www.benomad.co/quit-9-5/ if you have any more specific questions, let me know!