Edit 2: Sorry about my trash formatting. I read wayy more than I post. This really blew up for me. There's a ton of great ideas here, and things I didn't even consider. My brother is going with video editing, for now. I'm a trucker and just started back learning Python by Mosh from YouTube. I will definitely keep your suggestions in mind because I have a lot more learning to do myself. I believe many people will also get value out of the comments here. Again, thanks for all of your opinions!

Edit 1:

You people are awesome. Lots of really good ideas here! I'd like to address the few haters here and there rn. You may be right, and this could be a bad idea. But that will be his decision to make. I'm just giving him the OPPORTUNITY. A low-risk, high-reward opportunity. Still, I do appreciate each and every one of your opinions, including the chamber pot!

My brother is in his mid teens and was home-schooled and he only leaves his room for 2 reasons: Food and bathroom. He does video editing for a family member, but is still pretty new to it. Other than that, he doesn't seem to have any real skills. He games a lot, and watches a lot of youtube. I want to help him build a real source of income so I offered him a sweet deal: pick up a free course or class on literally anything, and I'll get your computer upgraded, even if you fail. The reason I'm posting is because he doesn't exactly know what to look for, and the only thing I could think of was like a Comptia A cert. Can we get some recommendations on free classes/courses, no matter how easy/short? I just want to give him the option of building himself up by learning.