I want to setup a Patreon page, but there are no videos, only a lot of pdf files with notes. Anyway, the notes are simple, but I think a lot of people won't sign up to a page with no videos of note-less instruction.
Patreon is actually a really good asset and resource. I don't have a video on mine, and I haven't but just added it to my twitch panels (but I do have almost 600 followers on Twitch). When I do advertise it, I'll likely start with social media and then add it to my signature on forums that allow for that sort of thing. But, mainly, in your introduction, you need to tell the viewer about you, why you created the Patreon, what the Patreon will be used for, and set up benefits for donors. You should definitely set up a personal discord too because you can give out special ranks to discord users who pay through Patreon. It's pretty well integrated.