I've been in contact with some tutors (and tutoring agencies), but the book is kind of competition to them. For $29 students get a lot of content, and will need

I've been in contact with some tutors (and tutoring agencies), but the book is kind of competition to them. For $29 students get a lot of content, and will need less tutoring. I'm thinking a good partner would be university departments who offer tutoring for free---the incentives would be there since they'll need to hire less tutors.