I was told that tutoring college students is the worst experience in terms of teaching. College students never have money and they, for the most part, do not seek long-term tutoring. I do not ask the following question because I have some desire to someday be a math tutor.
I ask the question for the sake of curiousity. I want to know what you have to say about math tutoring as a part-time job. What is the best grade to math tutor? Would you say grades 1-5 or 6-8 ( middle school) or 9-12 ( high school)? What do you honestly think?