What if ex-wife does not respond to Notice of motion in modifying child support and alimony

You will need to send to whichever judge is guiding your case proof that you actually served the other party. Assuming services proper, a judge...

More information is needed such as how long your marriage was, where there any renovations to the home, who pay the mortgage, and other such...

I found out that my fiance's ex-girlfriend is married. How does that affect his child support?

The marriage will not affect child-support because the new spouses income does not get added to the other parties and come to reach a grand total...

My wife and I have lived in separate rooms, with no physical contact for over 3 years. Does that count towards time living apart

No. Physical separation means living in separate residences with no resumption of a common residence.

My father planning to leave and divorce his wife of 20+ years. What rights does he have, even though he is leaving?

He does have rights to that home even if they're not ownership interests. The facts will drive his claim. He may have to pay support in some...

Yes however it depends on your income and your financial circumstances as well.

Alimony

You should be considering filing a motion to modify the alimony.

My ex is moving and won't tell my kids where. If they move out of town then this will cause major issues. Share joint custody.

You have every right to demand to know where he is going in where he will be living. If he does not tell you, you should consider filing something...

What will happen to me if I don't follow the Court Order in FM post Judgment of divorce Case?

If you have a court order you must comply or seek a new court order to change the existing one. You cannot act on your own.

You have every right to have your child continue to go to that therapist even over your ex spouse's objection.