Hello: That would not be the proper appeal process. As you appear to be pro se, you may find many roadblocks because of the detailed procedures...

Hello: IMHO, such an agreement for installment payments would have to be in writing.

Hello: Generally, Family Court cannot award exclusive possession. That would be accomplished in a pendente lite application in a divorce.

Hello: Discuss this with your teacher, principal or guidance counselor in school. Until you are 18, your rights are still limited.

Hello: You can bring an eviction proceeding but for damages it will have to be a separate action.

Hello: What did the purchase agreement, bill of sale, etc. say? Oral statements are not part of the deal unless in writing.

Hello: Since this was not in writing, NY is an at will state. You are free to end your employment although your right to UI benefits may be...

Hello: Possible but counsel can advise you if your claim of damages in excess of 5G is realistic in terms of proving value.

Hello: If the purpose is probate, work with counsel on the filing of papers. Also, see https://www.health.ny.gov/vital_records/death.htm

Hello: IMHO, you are obligated to pay off the lien.