Best course of action regarding my Ex not paying mortgages & credit debt she was responsible for in divorce? Can JPA be amended?

The financial issues and issues relevant to the children are totally separate. They are death with differently by the courts. Apples and oranges.

Paying a home mortgage I allow the mother of my children to live in, in lieu of child support, how can I buy another homestead?

This is way to complex a matter to even attempt to answer in this forum. If you are still married then you two can agree to anything you want to...

In a divorce, if my husband assumes responsibility for all bills in his name, can I still be held liable for medical bills?

Yes it is possible but you need to discuss the matter with your lawyer.

I wouldn't even try. It beats jail time or a record. I am sure you received a pretty good plea agreement. Judges do not go easy on offenders. ...

Can i get an order of protection against my brothers ex girlfriend?

Report her to the local police. You do not qualify for an order of protection unless you ever lived in the same house together.

She keeps running to different states or addresses and wont sign , what can I do.

You can jst file for divorce. I do not understand why this is a problem. Even if you do not know where she is you can do a divorce by publication...

Can I file for child support even though we are married?

Consult a local divorce attorney. You should be able to. Most states have statutes covering that.

How can I enforce divorce decree regarding providing health insurance?

You have to take the other parent back to court to enforce the decree if they were ordered to provide medical . Consult a local lawyer.

Should I file for the divorce or let my soon to be ex-wife?

You could be waiting awhile if you let her file. Go consult with a divorce lawyer in person. Generally the sooner you file the sooner the case...

You need to have a lawyer send a letter on your behalf that the doctor cannot legally deny you medical information about your child.