That is far too deep a question to fully answer here, and you need to consult an attorney who specializes in medicaid asset protection. But general...

You shouldn't need a petition to dispense if you are a co-owner of the account. But worst case scenario, you can do a petition if its the only way...

You need to hire an attorney to look at what has been done, and advise you of what actions you can take.

You also can send a certified letter to your attorney stating that you are firing them and demanding that they withdraw, so you don't have to do it...

You need to file for guardianship over your mother, as it sounds like she is incapabable of handling her own affairs.

You need to hire an attorney and file a claim against the estate. You may also need to file something in the child support court.

I am not sure exactly what you mean by a private sale. The bottom line is that the children of the deceased child stand in their shoes. So if there...

You can bring a lawsuit to contest the trust on the grounds of undue influence and/or lack of capacity by your father.

You want a probate lawyer that is experienced in probate litigation and will contests.

No, your friend cannot go to court talk for you. If you need someone to do that, you need an attorney. And in this situation it sounds like you...