Most people I know do it in their local currency.

Personally I try to use sats as a unit of account for myself, but it doesn't work so well with high volatility, because I just set an approximate exchange rate in my head, instead of first going to dollars. Right now shit is expensive vs 2 months ago, when it was cheap - in my head.

^{The only thing Fink had to deliver on was "we'll tame this thing" and that's what​ they thus far failed to.}