80% is a good idea, IF the next Supercharger is 100 miles away (or closer)!
[There are regions were 80% won't be enough. Think of the old 70 or 60 kwh Model S trying to reach the next SUC on mountainous roads, covered with snow (You need heating and can't reduce the consumption, because of the outside conditions). I had this back in 2016. With only 80% my family would have stranded in a snow storm. Not funny.]
I've seen consumption as high as 555Wh/mi with an average speed of 40mph in snow. That gives me 145 mile range from 100% to 0%, assuming I don't stop requiring additional cabin and pack heating. Of course parking with less than 25% in the winter is a super bad idea for that those reasons and more, so more like 108 miles total usable range.
Yeah, I'm taking 100% charge, thanks.
edit - and to avoid incoming criticism - 64 mile segment, 115 rated miles used.
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