Indebtedness, and how transfer happens. Plus, when and how one can rescind with regard to the given transaction. Also, how movable property is acquired together with land. Plus, how a sale can be effected even via the transfer of a document, depending on the connection with land. Plus, defining "antiki" and why it's not part of a default sale if not stipulated. And... a new mishhnah! When one makes an offer for an item, what things are NOT included with that attempt to purchase? Sometimes, the sum that is offered reveals the thinking of the purchaser, but the sages say that may not matter.