100GB+ of hidden space I can't delete or purge I've tried everything... went into recovery tried repairing. Went into terminal tried to list any existing snapshots. Nothing... Am I going to have to do a clean wipe of the drive because of this Catalina disaster of a release...



Here's also a screenshot of About This Mac > Storage:
Try OmniDiskSweeper which shows in a column-view:



Largest folders will sort to the top.

I often will run it via

sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper 2&gt;/dev/null 


Also: make sure that it gets “Full Disk Access” as shown here: