I agree except on one point: a technically outdated hardware sold ~€350 is not what I'm considering a "sell the hardware at a loss". Not anymore since lonce, at least...
I'm not sure to fully understand your question. So, my answer may be out of topic.
"All of the addon content" (as you call it) is included in the last game update and that's why it weights ~7.3 gb. Activating it, however, requires to install the...
On my console the last game update (1.1.392.3925134) brought a significant improvement concerning loading times. I have ~800mb mods and the 1st load time went down from ~5min to ~1min.
However (while it's not really important) going in the ingame...
I can't tell for sure. DBI will give a warning and instantly stop the install if there's not enough free space, anyway. Prior uninstalling of previous game update is only a matter of 3/4 button clicks and takes about 10 s...
SAK is very efficient and allows different compression levels. It doesn't really need any update as the compression algorithm is still the same I think. Updating the prod.keys file regularly is however required in order to support...
You ever try soaper powder/qauludes? I did once and like a dumbass drank beer on top of taking, I woke up laying in my backyard in the pouring rain, it knocked me out. I have not seen it around in many many years.