Yes you have the right to sue for breach of contract and warranty, negligence and DTPA violations. You’ll need to comply with RCLA and you will...

Not necessarily to enforce them against the parties to the addendum but guarantors are probably not bound by the addendum unless the original...

They can pay a lawyer $20-30K to sue the thieves. They will have to prove Dad lacked mental capacity and if so, the question will be raised as to...

Yes probably but you are asking strangers online what your future tax return will say with no data. That’s not how it works. Interview several...

Yes if they told you it was fake < 4 years ago, the limitations period for fraud.

Call the warden’s office and ask how this facility handles it. IME they have have notaries on staff and will make arrangements to sign papers.

No. When you signed the promissory note, you became contractually obligated on it.

She can’t legally - she has been given bad advice and should amend. When they get your married return, they will audit, bill and penalize her.

Yes it’s acceptable and customary. Plan on getting a 1099 and reporting the income.

The other thing you should do is file a criminal complaint for terroristic threats and harden your personal security.