Textbooks and homework at $20 to $100 per course, with ready-made 7, 8 and 15-week templates for the terms you actually teach.
Faculty authors set prices between $20 and $100, and students get 14 days free before they pay.
7 and 8-week templates move every due date when you change the start date or term length.
New numbers on each try, hints after a wrong answer, and per-student versions.
Canvas, Blackboard, D2L and Moodle through LTI 1.3, with grades pushed automatically.