The Prophet (ﷺ) aid, "The buyer and the seller have the option to cancel or to confirm the deal, as long as they have not parted or till they part, and if they spoke the truth and told each other the defects of the things, then blessings would be in their deal, and if they hid something and told lies, the blessing of the deal would be lost."

Allah's Messenger (ﷺ) said, "Allah made Mecca a sanctuary and it was neither permitted for anyone before, nor will it be permitted for anyone after me (to fight in it). And fighting in it was made legal for me for a few hours of a day only. None is allowed to uproot its thorny shrubs or to cut down its trees or to chase its game or to pick up its Luqata (fallen things) except by a person who would announce it publicly." `Abbas bin `Abdul-Muttalib requested the Prophet, "Except Al-Idhkhir, for our goldsmiths and for the roofs of our houses." The Prophet (ﷺ) said, "Except Al-Idhkhir." `Ikrima said, "Do you know what is meant by chasing its game? It is to drive it out of the shade and sit in its place." Khalid said, "(`Abbas said: Al-Idhkhir) for our goldsmiths and our graves."

I heard Anas bin Malik saying, "A tailor invited Allah's Messenger (ﷺ) to a meal which he had prepared. " Anas bin Malik said, "I accompanied Allah's Messenger (ﷺ) to that meal. He served the Prophet (ﷺ) with bread and soup made with gourd and dried meat. I saw the Prophet (ﷺ) taking the pieces of gourd from the dish." Anas added, "Since that day I have continued to like gourd."

`Ukaz, Majanna and Dhul-Majaz were markets in the Pre-Islamic period. When the people embraced Islam they considered it a sin to trade there. So, the following Holy Verse came:-- 'There is no harm for you if you seek of the bounty of your Lord (Allah) in the Hajj season." (2.198) Ibn `Abbas recited it like this.

Allah's Messenger (ﷺ) said, "The example of a good companion (who sits with you) in comparison with a bad one, is like that of the musk seller and the blacksmith's bellows (or furnace); from the first you would either buy musk or enjoy its good smell while the bellows would either burn your clothes or your house, or you get a bad nasty smell thereof."

Once the Prophet (ﷺ) sent to `Umar a silken two-piece garment, and when he saw `Umar wearing it, he said to him, "I have not sent it to you to wear. It is worn by him who has no share in the Hereafter, and I have sent it to you so that you could benefit by it (i.e. sell it).

I bartered my property in Khaibar to 'Uthman (chief of the faithful believers) for his property in Al-Wadi. When we finished the deal, I left immediately and got out of his house lest he should cancel the deal, for the tradition was that they buyer and the seller had the option of canceling the bargain unless they separated. When out deal was completed, I came to know that I have been unfair to 'Uthman, for by selling him my land I caused him to be in a land of Thamud, at a distance of three days journey from Al-Madina, while he made me neared to Al-Madina, at a distance of three days journey from my former land.

A person came to the Prophet (ﷺ) and told him that he was always betrayed in purchasing. The Prophet (ﷺ) told him to say at the time of buying, "No cheating."

While the Prophet (ﷺ) was in the market, somebody, called, "O Abul-Qasim." The Prophet (ﷺ) turned to him. The man said, "I have called to this (i.e. another man)." The Prophet (ﷺ) said, "Name yourselves by my name but not by my Kunya (name)." (In Arabic world it is the custom to call the man as the father of his eldest son, e.g. Abul-Qasim.) (See Hadith No. 737, Vol. 4)

Allah's Messenger (ﷺ) said, "He who buys foodstuff should not sell it till he is satisfied with the measure with which he has bought it.

`Abdullah bin `Amr bin Haram died and was in debt to others. I asked the Prophet (ﷺ) to intercede with his creditors for some reduction in the debts. The Prophet (ﷺ) requested them (to reduce the debts) but they refused. The Prophet (ﷺ) said to me, "Go and put your dates (In heaps) according to their different kinds. The Ajwa on one side, the cluster of Ibn Zaid on another side, etc.. Then call me." I did that and called the Prophet (ﷺ) He came and sat at the head or in the middle of the heaps and ordered me. Measure (the dates) for the people (creditors)." I measured for them till I paid all the debts. My dates remained as it nothing had been taken from them. In other narrations, Jabir said; The Prophet (ﷺ) said, "He (i.e. `Abdullah) continued measuring for them till he paid all the debts." The Prophet (ﷺ) said (to `Abdullah), "Cut (clusters) for him (i.e. one of the creditors) and measure for him fully."

Allah's Messenger (ﷺ) said, "O Allah bestow your blessings on their measures, bless their Mudd and Sa." The Prophet (ﷺ) meant the people of Medina.

The Prophet (ﷺ) said, "He who buys foodstuff should not sell it till he has received it."

That the latter said, "Who has change?" Talha said, "I (will have change) when our storekeeper comes from the forest." Malik bin Aus narrated from `Umar bin Al-Khattab: Allah's Messenger (ﷺ) said, "The bartering of gold for gold is Riba (usury), except if it is from hand to hand and equal in amount, and wheat grain for wheat grain is usury except if it is form hand to hand and equal in amount, and dates for dates is usury except if it is from hand to hand and equal in amount, and barley for barley is usury except if it is from hand to hand and equal in amount."

Allah's Messenger (ﷺ) said, "Do not urge somebody to return what he has already bought (i.e. in optional sale) from another seller so as to sell him your own goods."

Allah's Messenger (ﷺ) forbade the selling of things by a town dweller on behalf of a desert dweller; and similarly Najsh was forbidden. And one should not urge somebody to return the goods to the seller so as to sell him his own goods; nor should one demand the hand of a girl who has already been engaged to someone else; and a woman should not try to cause some other woman to be divorced in order to take her place.

Whoever buys a sheep which has not been milked for a long time, has the option of returning it along with one Sa of dates; and the Prophet (ﷺ) forbade going to meet the seller on the way (as he has no knowledge of the market price and he may sell his goods at a low price).

Ibn `Abbas said, "Allah's Messenger (ﷺ) said, 'Do not go to meet the caravans on the way (for buying their goods without letting them know the market price); a town dweller should not sell the goods of a desert dweller on behalf of the latter.' I asked Ibn `Abbas, 'What does he mean by not selling the goods of a desert dweller by a town dweller?' He said, 'He should not become his broker.' "

We were forbidden that a town dweller should sell goods of a desert dweller.

The Prophet (ﷺ) forbade Muzabana; and Muzabana is the selling of fresh fruit (without measuring it) for something by measure on the basis that if that thing turns to be more than the fruit, the increase would be for the seller of the fruit, and if it turns to be less, that would be of his lot. Narrated Ibn `Umar from Zaid bin Thabit that the Prophet (ﷺ) allowed the selling of the fruits on the trees after estimation (when they are ripe).