I also don't think TM (the legit one, at least) would ever in a million years run a course with 3 students.
Assuming the students are full paying, the revenue would be $4350. Starting pay for a TM instructor is $50 in large markets, and $30 in small markets. Even assuming the latter, that'd be $2400 to the teacher. That leaves $1950 to pay for both LSAC licensing fees/materials printing and rooms, since TM doesn't have its own sites. Even assuming conservative numbers ($100 per student and $100 per room per use for 20 uses), they're deep in the red, really quick.