Abu Salama bin 'Abdur Rahman أبو سلمة بن عبد الرحمن بن عوف · The Chapters on Business Transactions

"Whoever buys a palm tree that has been pollinated, its fruits belong to the seller, unless the purchaser stipulated a condition." (Sahih) Another chain from Ibn 'Umar, from the Prophet (ﷺ), with similar wording.

"Whoever buys food, let him not sell it until he has taken full possession of it."

"Whoever says, when he enters the marketplace: 'La ilaha illallah wahdahu la sharika lahu, lahul-mulk wa lahul-hamdu, yuhyi wa yumitu, wa Huwa hayyun la yamutu, bi yadihil-khairu kulluhu, wa Huwa ala kulli shay’in Qadir (None has the right to be worshiped but Allah alone, with no partner, to Him belongs all sovereignty and to Him is the praise, He gives life and gives death, and He is Ever-Living and does not die; in His Hand is all goodness and He…