I can imagine 4k a month for daycare, plus 2k for part time nanny (kids get sick!), 1k for extra bedroom, 1k for other expenses like food, clothing, bigger car.

I can imagine 4k a month for daycare, plus 2k for part time nanny (kids get sick!), 1k for extra bedroom, 1k for other expenses like food, clothing, bigger car. That is 96k a year.