I maintain a constantly evolving tree-based hierarchy of files. Everything I receive that's digital I store there. When things are tree-based, I scan and save

I maintain a constantly evolving tree-based hierarchy of files. Everything I receive that's digital I store there. When things are tree-based, I scan and save in the same directory, or take a picture on my phone, and upload into the same directory structure on my Google Drive. My printer also scans, and stores in this structure - adding files to an incoming folder, I then filter. On my desktop(s) I run insync, and allow everything to sync all over the place. A cronjob then runs that does a pdf2txt for any file, storing the contents in <directory>/.txt/<filename>.txt, blowing away all directories first. insync ensures these are up-to-date everywhere, within a ~30 minute time period. I use ripgrep to search for content in files, when I can't remember things. Then, because I'm a special level of worried, I maintain a backup of my Google Drive cache with SpiderOak. After all, one never knows.