Whether sale of an item for its produce also constitutes sale of the item itself: Shabbat 135b
Saying "Do this TO ACQUIRE" is not valid; one must say "Do this AND ACQUIRE IT": Bava Metzia 9b
The binding strength of a purely verbal commitment: Bava Metzia 49a
Until when a buyer can renege, if people come who have a claim to the purchased property and who will collect it from him: Bava Metzia 14a-b
A buyer's responsibility for taking care of an item which he has purchased conditionally: Bava Metzia 81a
Formal Acquisition and Completion of a Sale
Binding character of a sale, where the item is bought on condition of the money's return: Kiddushin 6b
Sales where the merchant tells the purchaser to give the money to another person, and he will sell the item for that gift: Kiddushin 7a
Sales where a third party gives money to the merchant, stated to be for the purpose of the sale: Kiddushin 7a; Bava Metzia 74b
Sales where the merchant tells someone to give money to a third party, and he will sell the item to that third party: Kiddushin 7a
Whether the sale may be transacted via payment from the merchant to the purchaser, where he states that he is selling the item to him: Kiddushin 7a
Whether an item is acquired when the purchaser sees it [post-payment] or when it is in his hands: Bava Metzia 2a-b
Whether a sale is final when the purchaser takes hold of the item or when money changes hands: Bava Kama 8b-9a, Bava Metzia 14a-b, 74b
Who has responsibility for an item, if the purchaser is holding it to examine it: Nedarim 31a
Who has responsibility for an item, if it is purchased already but the determination of price is pending, based on a condition: Nedarim 31b
Do we assume a transaction is chalipin, rather than sale, if the seller does not care to verify the amount of currency or the value of the barter item being offered: Bava Metzia 46b-47a
Whether an item is purchased when it is placed in the buyer's receptacle, while on land owned by the seller: Kiddushin 25b; Bava Metzia 67b
Down Payment of a Deposit [Eravon]
Is the entire purchase acquired, or only the value of the deposit?: Bava Metzia 48b-49a, 77b
Is the entire purchase acquired, or only the value of the deposit, if the seller shows (by his actions) that he wants the rest of the money now: Bava Metzia 77b-78a
Why would one deposit a down payment, if this did not serve to cement the transaction?: Bava Metzia 49a
What quality of materials may be used to refund a down payment, if the buyer or seller backed out of the deal: Bava Metzia 77b
If a seller backs out of a sale, who has responsibility for the down payment until the buyer takes it back?: Bava Metzia 49a
Considering a purchaser of land to be an injured party if the seller backs out, because he sold off land in order to afford the purchase: Bava Metzia 77b