I know a guy who shoots all of his unedited youtube videos from his phone, uploads them, and then people call/text/email/message him for paid diet coaching. Th

I know a guy who shoots all of his unedited youtube videos from his phone, uploads them, and then people call/text/email/message him for paid diet coaching. This seems pretty sustainable and transferable to different domains of expertise, but it is decidedly low tech and a very crowded industry