Yes you can be charged. Whether you will be is anyone's guess.

If either of you is under 18, ask your parents....................

You will need to hire an attorney where they are located to review all the paperwork.

Such a suit is likely impossible. Way past the statute of limitations.

IMO you are not entitled to the tile at the "mistake" price. You are entitled to a refund.

I would expect the hotel to quickly tell you to leave if you are on private property.

This is all Internet gibberish, right up with "Sovereign Citizenship."

Your question makes no sense without more context.

That is up to a court to decide. You need to obtain the best lawyer you can.

This sounds like a scam, very popular on the Internet.