My wife wants to buy a house while we are in the beginning stage of divorce. Does the house become marital asset ?

A post nuptial agreement should suffice.

Can I apply for divorce in Illinois now when I'm living in NJ ?

You need to establish residency in a state before you file in that state.

How do I write a petition to the court to access some/all of my settlement?

Why would you need to petition the court? What does your settlement agreement say?

How do I appeal a judges decision in family supreme court for an order of protection when all the evidence proves my innocence.

You need to get a Notice of Appeal in promptly - and then get legal counsel, which you should have had at the original hearing.

I would like some information about a divorce.

That's not enough information on which to base an analysis. You should schedule a consultation with a local attorney and discuss the situation in...

How would I file for a divorce, i don't know were he is ,if he is dead ,alive ,or been deported ,last seen him was in 1985

You file for a divorce the same way as anyone else. If he can not be located there are options available through the court for service by publication.

Can a divorce decree be amended when circumstances change in the first month of the divorce

That depends upon what "circumstances change" means and upon the nature of the change you want to make.

How much does a POST- nuptial agreement costs?

It depends upon the complexity of the agreement - but a simple agreement that just covers one item would be very inexpensive.

Nothing. In the final papers, just use the current address.

Is income from royalties paid yearly to one person in a marriage considered joint income in a divorce in Manhattan?

Yes. It's income - and that goes into consideration of the economic resolution of the divorce.