Rather than just charging per course, allowing your students to pay per month or year to access your material is a great way to build a recurring revenue stream from your platform.
Through Forento, you can create several tiers, with access to different courses, community privileges, and other perks.
To create a membership tier, go to memberships, press create new tier, and start designing your perks and privileges. Add a name, write a description, set privileges for the community, choose what courses are included, and set your pricing.