Have you looked into Teachable? It's a great
distance learning platform for creating and selling your own courses. It's easy to use and has a lot of customization options. Teachable has a few different pricing plans, but they all have a transaction fee. The most basic plan has a 5% transaction fee on all sales, while the most expensive plan has a 0% transaction fee. You can also set your own prices for your courses. Udemy, they have a revenue share model where you earn a percentage of the course sales. The amount you earn depends on whether the student found your course through Udemy's marketplace or through your own marketing efforts. You also have the option to set promotional pricing for your courses.