What's legal in one place is not in another, deal with it. With the attitude you posted with, I wouldn't pay you a penny to teach anyone anywhere. Just because you can "teach" by the book doesn't mean your all that as a teacher. Welcome to online teaching and a new generation of worldwide audiences and learners. If 150 is so beneath you, I'd say you have too much to learn yourself to be hired as a teacher- especially one who can stay at home and hardly do anything other than, God forbid, Have Fun as a teacher that students can enjoy learning with.