In Japan, sushi is definitely one of the more expensive foods. You can't really use yesterday's fish as authentic sushi uses fresh fish which you can't eat the next day for obvious reasons.
You don't use exponentially more fuel, but cubically. Exponentially is not just a word for "quickly", but a function.
And anyways, that isn't only the case for speeds higher than 80, but for every higher speed. So it's not like there is an objective sweet spot.
I recently was in the BMW museum and they actually had a whole section dedicated to their Nazi past and how they want to never do that again. Do with that what you will but at least they're not shoving it under the carpet.
I host Nextcloud on Hetzner. It's about 5€ for 1TB. You have the privacy of Nextcloud, but they upgrade it for you and so on.
Just a heads up: You don't have access to the shell on the machine.
In Japan, sushi is definitely one of the more expensive foods. You can't really use yesterday's fish as authentic sushi uses fresh fish which you can't eat the next day for obvious reasons.