What can we do about my step son's mother making poor decisions, then threatening to take us to court?

If he is not on the birth certificate then he needs to file a petition with the court to enforce his rights asap.

I do not recommend withholding contact, If you and he cannot reduce a more specific plan to writing then you have to get an order from the court.

Can the fla dept of revenue garnish my pay for alimony payments

yes

Georgia: one-party consent. Florida: all-parties consent. Can I use video legally made in Georgia in a Florida Family Court?

Unlikely the judge will allow you to use it. That is up to the judge.

Passport minor child

You need to get a court order,

Can a mother name the child without the fathers consent?

If you are not married to her, yes. So you need to file a petition to enforce and establish your parental rights.

How do I "Attach Copy of Cause of Action" to a Contempt motion. F.S. 837.021 Perjury by Contradictory Statements

The documents that you are referring to in the motion must be attached so the judge can review them and rule upon them at the hearing. Exhibit A...

I am being threatened with contempt over $6,200 when I only owe $3000. Can I file a Motion to Strike based on FRCP RULE 1.150?

just set a hearing have the judge decide the issue.

What happens if I am not served within a certain amount of time?

a summons is good for 120 days, if not served within that time the moving party has to apply for another summons.

Is the Final Judgment void while an appeal is pending? and what FL rule does this fall under?

The judgment is operative as to custody and support provisions as the appeal is pending, as to the award of eqitable distribution the court could...