Having younger kiddos, no matter the number, makes long (multi day/week) trips hard (and when they are really young, even getting out at all).
Once they are all wiping their own butts and taking their own baths/showers, life starts to look normalish for a minute.
Our first year back to Idaho was a little rough because I did a few multi day/night trips. Last year we switched to day trips, ended up with similar amount of days in the field, but with much lower overall impact to the family.
We are on to the fun and exciting next phase: kiddo activities are ramping up and have the potential where my wife and I meet ourselves coming and going...
For now our best answer to that is to limit the quantity of activities kids can do per year (we personally won't support more than 2 activities each school year per kiddo) but even then sanity will be stretched as is!