Kasha:
A simple answer (3 hours working) could be a plumber, if there is no tuition involved (and in EY, there may not be). Also if you have an education, you could be a surgeon for 3 hours a couple of times a week (maybe).
Mrs. Tzippi: Not sure if you’re refering to the first post or the second. If it is the second, then I agree (which was my original point) to leave it to the Gedolim and say Eilu V’Eilu.