living in the mountains

If, hypothetically, one were to live in the mountains (perhaps in a tent) and spend the day hiking and climbing, how would the necessities of our society be addressed? If anyone has tried this: if we're to do occasional odd jobs, how would healthcare work (us)? What would be the best location to do this in?

For general alpinists and mountaineers, how do you manage with a 'real' job?