Smak bin Hrb bin Aws سماك بن حرب بن أوس · Commercial Transactions (Kitab Al-Buyu)

We went out with the Messenger of Allah (ﷺ) to a funeral, and I saw the Messenger of Allah (ﷺ) at the grave giving this instruction to the grave-digger: Make it wide on the side of his feet, and make it wide on the side of his head. When he came back, he was received by a man who conveyed an invitation from a woman. So he came (to her), to it food was brought, and he put his hand…

I heard Messenger of Allah (ﷺ) say: Swearing produces a ready sale for a commodity but blots out the blessing. The narrator Ibn al-Sarh said: "for earning". He also narrated this tradition from Sa'id b. al-Musayyab on the authority of Abu Hurairah from the Prophet (ﷺ).

I and Makhrafah al-Abdi imported some garments from Hajar, and brought them to Mecca. The Messenger of Allah (ﷺ) came to us walking, and after he had bargained with us for some trousers, we sold them to him. There was a man who was weighing for payment. The Messenger of Allah (ﷺ) said to him: Weigh out and give overweight.

The Messenger of Allah (ﷺ) would not say funeral prayer over a person who died while the debt was due from him. A dead Muslim was brought to him and he asked: Is there any debt due from him? They (the people) said: Yes, two dirhams. He said: Pray yourselves over your companion. Then AbuQatadah al-Ansari said: I shall pay them, Messenger of Allah. The Messenger of Allah (ﷺ) then prayed over him. When Allah granted conquests to the Messenger…

We were with the Messenger of Allah (ﷺ) at the battle of Khaibar. We were selling to the Jews one uqiyah of gold for one dinar. The narrators other than Qutaibah said: "for two or three dinars." Then both the versions agreed. The Messenger of Allah (ﷺ) said: Do not sell gold except with equal weight.