laskern: Don’t forget that the standard of livelihood required is bare minimum. “Kach hi darkah shel torah – pas b’melach tochal etc.” — Bread salt and water – if you have that, you have parnasah.
The Rambam writes that a typical Baal Habayis works 3 hours a day and learns 8. This is what a “working person” is. Three hours a day. 8 hours learning.