p.s. BTW, I'm leaning towards a 3-4-4-3 or 7-7 arrangement. I saw the light on the downside of too many transitions. But the natural conclusion, when I think about this, is that ANY transition is bad. The ideal living arrangement is:

1.

You just stay in one house.

Me: 50, MLC/WW 45
Young kids
Nov 2015: BD1
Apr 2016: BD2
Jan 2017: W filed
Feb 2017: D final