Not sure what state you are in, but in my state (Florida), 15 years is considered a "long-term" marriage, and you're eligible for PERMANENT (as in forever), alimony. I don't necessarily AGREE with that, as a man, but that's what it is and some other states are similar.
A good family law atty will have expertise in to what extent your relationship with your husband counts as 18 years, 12 years, or something in between.
Also, he will absolutely have to pay child support. It's a basic formula, and it's almost NEVER negotiable.
So, spousal support (alimony), and child support. Now, a judge may count the second 1/2 of the house that he's giving you as spousal support, but it will have ZERO to do with child support (which is to pay your kids' basic monthly living expenses and needs).
