If so, I don’t think this request is excessive at all.

.- Ask the attorney if your aunt & dad need to authorize lien, or just aunt.2) Understanding your options to force payoff of the lien.- Ask attorney how you can enforce collecting on the lien when you need to.3) Getting full control of the property, while allowing your aunt to keep her ownership.- Have attorney draw up a contract to do this.Suggest you offer your dad some cash, now or in the near future, to motivate him to transfer his ownership to you.It may not work out, but you will learn a lot either way!

Quote from @Brandon Croucier: The loans are available but nobody wants to do them.There always seems to be something wrong with the properties, as lenders we just can't make enough $ for our time.9/10 Borrowers also complain about the "excessive fees" for the loan amount.If you are okay with paying 8k in closing costs then the loan is available. 

The least states:"Tenant shall pay a "late charge" not in excess of five (5%) percent of the amount in arrears for each month the arrears remain unpaid if any Rent is paid more than ten (10) days after the due date thereof, to cover the extra expense involved in handling delinquent payments.

You should never let someone into a unit without written evidence that you have authorization to do so from the lessee. 

They claim to charge in the "high 4 figures" - one web source says it's $4800 - to join their group and get access to their network and resources.  

They cannot continue a lawsuit on your behalf if you have not authorized it.I would send them a short demand:"You have five business days to stop the lawsuit and turn over all documents, funds, and anything else pertaining to my property.

Due to the nature of the shorter lease terms, I am spending an excessive amount of time updating my Excel spreadsheet, MLS, business website, Airbnb, VRBO, and other platforms.

Battery Park City Exchange (New York City): The city of New York engaged in a land swap with the Battery Park City Authority, allowing for the creation of a new public school and affordable housing units in exchange for a parcel of land that was then developed into a high-value commercial property. 5.

My goal is to use bitcoin as DOWNPAYMENT which I have not found a bank to do that.To answer your second question bitcoin is the first currency that does not require a central authority to keep everyone’s balance and insure funds are not double spent.