What questions do they ask when applying for child support?

bring 2 forms of picture I.D. and 5 recent pay stubs.

IS THERE AN AFFIDAVIT OF SOME KIND THAT CAN PROVE IN PAPER FORM THAT I HAVE SOLE CUSTODY OF MY DAUGHTER?

Agree Florida Statute Chapter 744.301 clearly states that if not married then you as the mother are the natural guardian.

I'm going to court my son father trying to get half of the custory. I don't want that because his a drug dealer

Drug dealers do not win custody, he should have at the most supervised visitation.

Is child support a necessity?

Some judges allow the parties to agree to zero support, some do not,

When entering a custody battle in (florida) could this help?

Yes stability is a factor that favors you. As to your other question the answer would be too long in this forum, consult with an attorney.

What do i do?

Yes you can file a petition to terminate his rights however the child support will also end.

Apply for a restraining order with the Court.

I was told I must apply for child support if I want to have my benefits continued. what is process

If you are receiving any sort of State aid then you have to file a case for child support from the father.

Do I need a family lawyer? And whats possible that can happen in this sitiation? My daughter stay with me now.

Your aunt has no rights to the baby, file a case to have the child returned to your care asap.

Is it possible to have a ruling made that would leave my wife penniless because she lied to the court?

Dont count on the court, get the divorce done and cut your losses, if you dont like your lawyer get another lawyer.