I recommend a clip my horse subscription, it’s not just for watching livestreams…
Under the Academy tab, it has really good education videos. The clinic Henrik Von Eckermann does is fantastic. You’re watching him critique regular amateurs and he gives really simple understandable feedback. It was also helpful for me given I’ve bought a few amateur owned horses from Europe, many of them are crawling in the corners and gunning them at the jump. He also gets on a few and it’s really helpful watching how he addresses horses having a harder time.
They have videos on feeding and stomach problems, dressage videos on specific topics, gridwork, bitting, how to do things on the ground like pack hooves, take a temperature, how to walk a course with McLain, etc. I like that it’s less intensely produced than the Noelle Floyd videos and you can find a short topic that interests you and not set aside two hours for.
If you want to work on groundwork, I love the TRT Method. Not just bc he’s lighthearted and easy to understand, but he also has videos of people learning his method so you can kind of get a feel for the learning curve and maybe get a preview of what might be tricky as you’re learning.