the inverse of "make sure you have working backups of what's important" is "give yourself permission to delete digital detritus that no longer has any value to your life"
you do not need every email you've received for the last decade.
you do not need three copies of every photo you've ever taken with your phone.
you do not need the downloads folder for each of your previous twelve laptops.
you can delete some stuff.
@geniodiabolico @djsundog on Linux you could use /tmp as tmpfs, no need for cron