Battery Cooling

[NC_Taycan]

not quite right.
charging to 100% or going below 10% SOC isn't ideal but as long as the car is driven immediately to draw down the SOC or the car is charged ASAP in order to bring up the SOC there really isn't a problem going to those levels.

Yup - just to expand - every minute the chemistry sits at a very high or very low SOC is degrading (too high or too low temperature will accelerate the impact), but it takes a lot of accumulated degrade time before the loss of range would begin to be visible (years / tens of thousands of miles). You can minimize the accumulated degrade time by doing exactly as you suggest - don't charge above 85% unless you need it, but don't hesitate for a minute to do so when you do need it - just drive as soon as possible after charging. Plug in before you get to 10% but don't worry (other than worrying about making it to a charger) if you go to 1% - just plug in as soon as you can. Outside of these steps, there is no additional thought you should put into taking care of the battery - the car will handle heating / cooling for you.

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[chrisk]

Or maybe just lease the car for 3 years if you worry about the battery's longevity.
I have many things to worry in life, but my car's battery life is not one of them..