What happens if an ex-wife refuses to accept service for a subpeona to come to court?

There are lots of ways to get service of process, substitute service on a family member who lives there is acceptable in most cases. Use of a...

Does the mother pick the last name and being able to move?

If not married then you get to choose the name and you can move out of state.

Temporary custody

If the last order of the court has not changed then yes. If there is no existing court order at all them you need to get a court order. Use of a...

My ex-husband has just violated our parental agreement.

If he has violated the order then file a motion for contempt/enforcement. Use of a lawyer is recommended.

Qdro on 401k

You have to contact his company and his company lawyers to get it done. Use of a lawyer is recommended.

Divorce

For legal purposes you have been married 3 years, how long you were together does not count. Not likely that you will have any alimony claim. Use...

Son's mother will not communicate with me. Wont answer phone calls and does not allow him to speak to me. What can I do?

You have to go to court so you can get a court order that you can enforce. Use of a lawyer is recommended.

How can I go about terminating my daughter's biological father's rights?

Step parent adoption would be the easiest. You have to file a petition for termination of parental rights. Use of a lawyer is recommended.

My ex is living with a felon with multiple violent charge's and doesn't have visitation with his own kids what rights do I have?

These are all valid concerns so make sure you ask for supervised time sharing for your ex. Use of a lawyer is recommended.

GA is the enforcing state for FL so you do not have to appear unless the court says so (and even so you can appear by telephone)