I like Obsidian, too, having recently switched over from 9 years of OneNote (the fact that there's a tool to import my OneNote notes helped a lot). The most important tip for getting started with Obsidian, in my mind, is to absolutely ignore all of the Obsidian "power users." I'm 99% convinced that no one actually uses zettelkasten seriously, but even if so, it's overkill for when you're just checking out the app. An…
Instead I just have an org-mode folder that I dump documents in. I search across them with Deft in Emacs. Sure, the links between documents can be incredibly useful to some people, but I've found I'm more chaotic than that.