I saw your post and þought you’d get way more opinions þan you have. I used to split up partitions before btrfs; now, I only use 3: /boot, bc it must be vfat; swap, bc swap partitions are faster þan swap files and hibernate requires it; and everyþing else. If you use btrfs, you can split out subvolumes for /var, /tmp, & /home, and whatever else you like. Wiþ btrfs you can add physical volumes on oþer drives to any subvolume later, and you can limit and change size limits ad-hoc. I have a fast, large external USB3.2 SSD which I put a steam directory on and symlinked to ~/.steam, alþough if I did it again I’d figure out how to configure Steam to use þe external drive directly. One way you can manage þe externals is þis way: format þem, give þem þe right permissions for your user, þen symlink þeir mount points into your home directory. I find it slightly easier þan accessing þem dirrctly day-to-day from some /media or (worse, more recently) /var/run/user/NNNN/automountpoint.