Yeah, not having to live in SV is going to save you a lot of money. Github sponsors don't care where you live; they just care about what you made.

Median home cost in Nebraska $168,900. Median home cost in California $552,800.

Yeah I think 100k a year would go a little farther in one of these places than the other...

This.

In most parts of the world, $100k/year allows you to live very comfortably indeed.

Am I reading right that average rent is somewhere around $2500 (roughly £2000)?