How To Clear Your System Data On Mac

A sure-fire way to prevent your Mac from slowing down and avoid errors like "Your startup disk is almost full" is to ...
Ars Technica

System Data using over 200 GB of 512 GB disk

I have a M1 Pro 14-inch MacBook Pro. Running 12.6.5 on it. Have less than 200 GB free. I don't keep a lot of media on the internal SSD. Storage Management shows this: The Documents includes things ...