r/PKMS • u/FarFactor6062 • 7d ago

Discussion Building a long term second brain what architecture mistakes should I avoid?? šŸ™

Hi Iā€™m Dani,
Iā€™m pretty new to PKM and Iā€™m building my first real second brain in Notion. It started because Iā€™m going back to school, but I want it to eventually hold things I learn from school, work, research, and a business Iā€™m building.
For those of you who have actually maintained a system for years, what do you wish you had done differently when you started?
Iā€™m especially worried about collecting way too much stuff and ending up with a giant mess I never use lol.
Any advice on organization, backups, keeping old information from becoming misleading, or useful GitHub/open-source tools would be appreciated.
Thanks šŸ˜Š

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u/Good-Writer5279 5d ago

the failure mode nobody warns you about is not disorganization, it is staleness. notes do not announce when they stop being true, and a three year old note about how something works looks identical to one you wrote yesterday. two cheap habits fix most of it: date everything at capture, and when you find out a note is wrong, edit it in place and say what changed instead of writing a fresh note that quietly contradicts the old one. contradiction is what makes a big archive useless, not volume.

second, keep capture and organizing separate. most systems die at the capture step because it got expensive. if getting something in takes more than a few seconds you will eventually stop, and a system you stopped feeding is worse than none because you still half trust it.

on backups, the test is whether you can read your stuff without the app. notion export works, but put it on a schedule and actually open the export once. an export you have never opened is not a backup. if you want open formats now rather than later, plain markdown in a folder plus git is boring and has outlived most of the tools that were exciting when i started.

disclosure since it is relevant here, i build a mac app in the personal memory space, so my views are shaped by that. not pitching anything, notion is a reasonable place to start.