Should I hire an attorney for my joint custody to be sole custody?

You can hire an attorney to assist you with modifying physical custody and visitation. However, it is difficult to obtain sole legal custody....

CAN A PARTY IN A FAMILY LAW CASE FILE HIS FL-150 INCOME & EXPENSE FORM but

If you are asking is it possible to attach a faxed signature, yes it is.

He has 30 days after being served with the Petition to file a response. However, if this is an RFO he has until 9 days before the hearing.

NCP hasn't paid court order CS and we are still going thru custody battle. I have primary temporarily. Is this okay to not pay ?

A temporary order is still a court order and he is obligated to pay. I would not sign anything waiving arrears.

Deposition

Yes you must notify him and yes he has a right to be present for the deposition.

Generally they will continue to garnish your wages to pay arrears. Contact child support services to see if they will lower your monthly payments.

Does non taxable trust distribution count as income when calculating child support?

Yes it would be considered income for the purposes of calculating child support.

Is there an alternative to reporting a missing car as stolen?

This is not a family law question. However, in order to protect yourself, you should be reporting the car as missing.

Requesting to court to provide me with an attorney

I agree with the previous answers. In family law cases, you have no right to an attorney. If your ex has access to more funds or more money, you...

Will the judge care if the father is driving on a suspended license?

Since the father has supervised visitation he is not driving the child. As such, it will likely have no bearing on the custody/visitation issues.