After filing original petition for divorce (uncontested) in Texas, what is the time limit to file the final decree of divorce?

Clearly she will not sign the waiver. Get a citation issued and have her served.

What is the best strategy to negotiate terms in a divorce?

If your assets are worth protecting then you should hire a lawyer to help you do that. You cannot learn enough, fast enough, from the Internet. And...

How can a divorce be challenged or responded to if one person (respondent) of the two want to try to work things out?

Hire a lawyer. It is important that you preserve your legal rights. Ignoring the suit will not do that. Talk to your almost-ex. Find out if...

Void vs voidable marriage, what is the difference? Is it different from annulment?

Start by describing your circumstances and goals. Then let an expert advise on the options.

Can my mom keep me from son? Can my daughters dad and wife denie me contact with daughter

You need to sit with a lawyer to discuss this in much more detail. Take a full copy of the court records about boyfriend.

After the statute of limitations has ran out, what, if any options, do I have for an appeal or civil lawsuit in Texas?

Sit down with a lawyer and the court orders about your children. After such a long time, it is unlikely that a court would move the children. If...

How can the birth mother sign over rights?

You need to hire a lawyer to handle the adoption. Also, the child's father will have to relinquish his rights, too.

How can I get a divorce with someone who won't pay or anything if we do proceed the divorce.

Use what you have to hire a lawyer. Do not take legal advice from your almost-ex. Use the Find a Lawyer function or the Contact this Lawyer...

If the message is about the child, then you should respond. Keep in mind I know nothing about your case other than what you posted.

How do I get my husband legal?

You probably need to sit down with an immigration attorney. It may be something you can handle after some guidance or you may need more help. Pay...