Hire an attorney to enforce contract. I suggest your attorney begin with demand letter.

Yes. You may use same name as terminated LLC.

Big problem, Bank will not release funds absent POA, Will, court order to allow payment of bills.

Your best option is to fund vehicle into your trust and include terms in trust on how vehicle to be held or transferred among family members.

I agree with colleagues and add: Brother B's wife is not an heir of Brother A. Brother A should create will or trust to make his wishes clear.

Mother has no duty to offer dying spouse an attorney. Can I do anything? Yes. You may assist father in locating, consulting, retaining an attorney.

Yes. Executor may bring partition action during probate. Yes. Executor may bring partition action if subject property partially owned by...

If trust fully funded with all of decedent's assets, there is no need to probate will.

Principal may revoke POA by drafting new POA. Notice to agent named in previous POA not required.

Write mother a check from "your restaurant".