I like that I can set my own hours and decide when I want to tutor. I can decide what I want to teach as well. I like that the service I use, Wyzant, filters out spam and ensures that the student is able to pay for the lesson.
What I wish was different
Well I use Wyzant to tutor and they take a 25% cut which is pretty large when you've worked many hours. I wish they would reduce the cut they take after you reach a certain amount of hours worked.
It's a fun job if you like tutoring. Don't tutor for something you are not confident about teaching. It's not the best way for a livable wage, it's just a little extra cash on the side.