Muhammad bin Fadayl bin Ghazwan محمد بن فضيل بن غزوان · The Chapters on Business Transactions

'Whoever achieves at something, let him stick with It.'"

"Let one of you not undersell another."

"The Messenger of Allah (ﷺ) forbade a city-dweller to sell for a Bedouin." (Sahih)I (Tawus) said to Ibn 'Abbas: "What is meant by the words: 'A city-dweller selling for a Bedouin?' He said: "He should not be a broker for him."

the Prophet (ﷺ) forbade the deal involving earnest money. (Hasan)Abu 'Abdullah said: Earnest money refers to when a man buys an animal for one hundred Dinar, then he gives the seller two Dinar in advance and says: "If I do not buy the animal, then the two Dinar are yours." And it was said that it refers, and Allah knows best, to when a man buys something, and gives the seller a Dirham or less or more, and says: "If…