how much can a good online tutor make (income) ?

Answer 1

That all depends on how well you advertise, how good you are, what people are willing to pay you, and if they pay you. I've been an online tutor for 7 years, and I've been stiffed often.

My guess is that part-time, I make 3-4K a year, any more than that and I would be in a higher tax bracket. (I charge $22/hr)