. I want to have just visitation from her father not to stay.

Talk to a lawyer about modifying your order.

Hire a lawyer to help you make sure everything is correct in the amended affidavit. It sounds like you need to address your fathers estate as...

Is it possible to put child support on yourself for tax purposes only ?

He SHOULD be on child support. You need orders for support and visitation. You'll still get the dependent deduction.

CAN MY GIRLFRIEND LEGALLY VISIT ME AT MY HOME WHILE MY 17 YEAR OLD IS THERE, BUT NOT SPEND THE NIGHT?

If no times are listed in the order, have girlfriend gone between 10pm and 7am.

Can my mother n law who cheated on my father n law get everything he has?

Your father in law needs a lawyer. Community property will be delivered evenly.

Terminating Parental Right in Texas?

Unless you have a husband adopting, he will not be allowed to relinquish his rights. You need to get orders for support and visitation.

In Texas family law if a witness such as a doctor is to busy to appear in court, will a Judge agree to take a cell phone call?

Hire a lawyer. Expert testimony is way beyond your depth as a pro se. Different courts have different policies about remote testimony.

My husband is threatening to ask for full custody of the kids if I ask for the house in the divorce

Why do you think you can't afford a lawyer? Go see one or two and find out your options.

On a step parent adoption, what is the cost if the biological father has passed away?

You'll still need an ad litem and social study, in addition to your attorney. A criminal history on your husband will be required too.

How would I get the biological father to sign over his rights or have his rights revoked?

You need to consult a lawyer in person about all the options open to you. Why are you still around him after the first time? Get somewhere...