Modern SSDs are far less susceptible to "wear" than the early ones. I like to mount ext4 partitions with a "commit=120" or even 180 option, which gives a 20X-30X slowdown on journal writing. Also, once your system is stable and you feel confident you can safely lose logs after shutdown, you can mount some of the /var/log files as tmpfs, which puts them in memory.
UUID=4ff5a5d1-6421-4051-b620-80f61e848d79 / ext4 defaults,noatime,commit=180 0 1
UUID=610eb1c9-be26-4bf8-a11e-6886dd2c6200 swap swap defaults,noatime 0 0
UUID=fa814d78-08c3-49c8-a749-d1164c23debd /mnt/DATA ext4 defaults,noatime,commit=180 0 2
tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0
tmpfs /var/log tmpfs defaults,noatime 0 0
Also, firefox and chromium can both be set to use a particular directory for caching. For browser or other user caches, there is a temporary user folder created at boot time at /run/user/nnnn, where "nnnn" is the user ID number, for example 1000 for the first user. You can make a directory there and set your browser to use that for the cache directory, according to the browser's settings for cache location. This cache will also disappear at shutdown, For example, in firefox, about:config, you set "browser.cache.parent_directory modified string /run/user/1000/firefox-cache"