This seems simple to me also:

30/70 unacceptable to me. Here’s what is acceptable to me

You want the house? Great! Cut me a check for my share of the equity.

When I have the kids I’ll worry about getting them to x. If you can help great. If not, I’ll make it work.

W you are going to have to get a job in work x amount of days.

Anything less I’ll see you in court.