This looks like an excellent business idea to me ! Congratulations.
Would you like to participate to the Hive incubator?
@chrisaiki/the-hive-business-incubator-session-2-april-4th-2020
This will get you some more visibilty, some upvotes, and will help me to promote my course.
RE: Proposal to developing a Review Plateform on the Hive-blockchain (A Real Business) #3