Thank you for this! A lot of great advice here, and some great resource ideas — I'll certainly maybe get around to parsing the whole thing in the near future 😅
For the un-initiated (like me): BUJO = Bullet Journal.
There's probably some very good reasons for having this type of notes in a physical journal (like not getting tempted by other shiny stuff on the phone), but I think I'm going to attempt to implement this system in Obsidian.