It was narrated that Salman said : "I heard the Messenger of Allah (ﷺ) saying: 'Whoever goes to the Morning prayer first thing in the morning, he goes out with the banner of faith but whoever goes out to the marketplace first thing in the morning, he goes out under the banner of Iblis (Satan).' "

It was narrated from Salim bin 'Abdullah bin 'Umar, from his father, that his grandfather told that the Messenger of Allah (ﷺ) said: "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 is Able to do all things),' Allah will record for him one million good deeds, and will erase from him one million bad deeds, and will build for him a house in Paradise. "

It was narrated from Sakhr Al-Ghamidi that the Messenger of Allah (ﷺ) said: "O Allah, bless my nation in their early mornings (i.e., what they do early in the morning)." (Hasan)He said: "When he sent out a raiding party or an army, he would send them at the beginning of the day." He said: (1) "Sakhr was a man engaged in trade, and he used to send his goods out at the beginning of the day, and his wealth grew and increased."

It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said: "O Allah, bless my nation early in the morning of Thursday.' "

It was narrated from Ibn Umar that the Messenger of Allah (ﷺ) said: "O Allah, bless my nation early in the morning.' "

It was narrated from Ibn 'Umar that the Prophet (ﷺ) said: "O Allah, bless my nation in their early mornings.". It was narrated from Abu Hurairah that the Prophet (ﷺ) said: "Whoever buys a Musarrah, he has the choice (of annulling the deal) for three days. If he returns it, then he must also give a Sa' of dates, not Samra'." Meaning wheat.

'Abdullah bin 'Umar said: "The Messenger of Allah (ﷺ) said: 'Whoever buys a Muhaffalah, (1) he has the choice (of annulling the deal) for three days. If he returns it, then he must also give wheat equal to twice, the amount of its milk, or equal to the amount of its milk."'

It was narrated that 'Abdullah bin Mas'ud said: "I bear witness that the true and truly inspired one Abul-Qasim (ﷺ) told us: 'Selling a Muhaffalah is Khilabah, and Khilabah is not lawful for the Muslim."' (Ibn Majah said: " Meaning: 'Deception.")

It was narrated from Aishah that : the Messenger of Allah (ﷺ) ruled that what a slave earns belongs to his guarantor.

It was narrated from 'Aishah that: a man bought a slave and put him to work, then he found some defect in him, so he returned him. He (the seller) said: "O Messenger of Allah he put my slave to work." The Messenger of Allah (ﷺ) said: "A slave's earnings belong to his guarantor."

It was narrated from Samurah bin Jundab that the Messenger of Allah (ﷺ) said: "The contractual obligation regarding a slave lasts for three days." (1)

It was narrated from 'Uqbah bin 'Amir that the Messenger of Allah (ﷺ) said: "There is no contractual obligation after four (days)."

It was narrated that 'Uqbah bin 'Amir said: "I heard the Messenger of Allah (ﷺ) say: 'The Muslim is the brother of another Muslim, and it is not permissible for a Muslim to sell his brother goods in which there is a defect, without pointing that out to him."'

It was narrated that Wathilah bin Asqa' said: "I heard the Messenger of Allah (ﷺ) say: 'Whoever sells defective goods without pointing it out, he will remain subject to the wrath of Allah, and the angels will continue to curse him.'"

It was narrated that 'Abdullah bin Mas'ud said: "When captives were brought to him, the Prophet (ﷺ) would give the members of one family together (to one person), not wanting to separate them."

It was narrated that 'Ali said: "The Messenger of Allah (ﷺ) gave me two slaves who were brothers, and I sold one of them. He said: 'What happened with the two slaves?' I said: 'I sold one of them.' He said: 'Take him back."'

It was narrated that Abu Musa said: "The Messenger of Allah (ﷺ) cursed the one who separates a mother and her child, or a brother from his brother."

It was narrated that 'Abdul-Majid bin Wahb said: "Adda' bin Khalid bin Hawdhah said to me: 'Shall I not read to you a letter that the Messenger of Allah (ﷺ), wrote to me?' I said: 'Yes.' So he took out a letter. In it was: 'This is what 'Adda' bin Khalid bin Hawdhah bought Muhammad the Messenger of Allah (ﷺ) He bought from him a slave' or 'a female slave, having no ailments, nor being a runaway, not having any malicious behavior. Sold by a Muslim to a Muslim.'"

It was narrated from 'Amr bin Shu'aib from his father that his grandfather told that the Messenger of Allah (ﷺ) said: "When anyone of you buys a slave woman let him say: 'Allahumma inni as'aluka khairaha wa khaira ma jabaltaha alaihi, wa a'udhu bika min sharriha wa sharri ma jabaltaha alaihi (O Allah, I ask You for the goodness within her and the goodness that You have made her inclined towards, and I seek refuge with You from the evil within her and the evil that You have made her inclined towards).' And he should pray for blessing. And if anyone of you buys a camel then he should take hold of its hump and pray for. blessing and say similar words."

It was narrated that Malik bin Aws bin Hadathan Nasri said: "I heard 'Umar bin Al-Khattab say: 'The Messenger of Allah (ﷺ) said: "Exchanging gold for gold is usury unless it is done on the spot. (Exchanging) wheat for wheat is usury, unless it is done on the spot. (Exchanging) barley for barley is usury unless it is done on the spot. (Exchanging) dates for dates is usury, unless it is done on the spot."