Tet | Productive and Free April 21, 2021 2019-2022 7 Ways to Validate Your Online Course Idea Tet | Productive and Free April 21, 2021 2019-2022 Before creating your course, be sure to validate your online course idea to see if it actually has the potential to sell. Continue reading for 7 ways to do just that (so that you don’t waste your time and resources!).