This is using the built-in video viewer in Divi-Wordpress. I had to upload the MP4 to my website, so I need to check out the “bandwidth” implications of storing and playing videos there vs using YouTube or Vimeo. Although the YT does have the distracting video offering at the very end of the video, very few people actually watch a video to the very end statistics say.
This teacher has built quite a following among k-12 teachers, which is a large group. She has expanded her money-making ideas in a lot of directions successfully. Some good ideas here but I start with the website design:
This is a bit more on CoP – here her Start Here page – good ideas:
And her primary course: