Since enormous number of people buy, sell, teach, and offer freelance services online, and you already have this multi-vendor plugin then why not create a new lightweight plugin for https://woocommerce.com/products/sensei/ platform for teachers, educators, instructors etc. to offer online courses for students around the globe. All you need is an Online Course plugin for your https://www.wcvendors.com/product/wc-vendors-pro/. This is a very similar idea like the Multi Freelance Plugin idea that I have emailed you earlier except this new idea is for online courses. A Multi-Teacher Plugin for Online Course Marketplace.