´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` "Let one of you not undersell another."[1]

´It was narrated from Ibn 'Umar that :` the Prophet (ﷺ) forbade the Najsh.

´It was narrated that Ibn 'Umar said:` "The Messenger of Allah (ﷺ) forbade meeting traders on the way."

´It was narrated from 'Abdullah bin 'Umar that the Messenger of Allah said:` "When two men enter into a transaction, each of them has the choice (of annulling it) so long as they have not yet parted and are still together, or one of them has given the option or choice to the other. Once he has accepted the terms of the other, then the transaction is binding. If they part after concluding the transaction and neither of them has rescinded the transaction then the transaction is binding.”

´It was narrated from Ibn 'Umar that :` the Prophet (ﷺ) forbade selling Hablul-Habalah.

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` "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.

´It was narrated from Salim bin 'Abdullah, bin 'Umar, from Ibn 'Umar, that :` the Messenger of Allah (ﷺ) said: "Whoever sells a palm tree that has been pollinated, its fruits belong to the seller, unless the purchaser stipulated a condition. And whoever buys a slave who has wealth, his wealth belongs to the seller, unless the purchaser stipulated a condition."

´It was narrated from Nafi' from Ibn 'Umar that the Prophet (ﷺ) said:` "Whoever sells a palm tree and sells a slave." Mentioning both of them together.[1]

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` "Do not sell fruits until they have ripened." And he forbade (both) the seller and the purchaser (to engage in such a transaction).

´It was narrated from Ibn 'Umar that the Prophet (ﷺ) said:` "Whoever buys food, let him not sell it until he has taken full possession of it."

´It was narrated that Ibn 'Umar said:` "We used to buy food from troops of riders (i.e., the caravans) without knowing the amount, but the Messenger of Allah (ﷺ) forbade us to sell it until it had been delivered to us."

´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 Ibn Umar that the Messenger of Allah (ﷺ) said:` "O Allah, bless my nation early in the morning.' "

´'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 Ibn 'Umar said:` "I used to sell camels, and I used to buy gold for silver and silver for gold, Dinar for Dirham and Dirham for Dinar. I asked the Prophet (ﷺ) about that, and he said: 'If you take one of them and give the other, then you and your companion should not separate until everything is clear (i.e., the exchange is completed).’” (Hasan) Another chain with similar wording.

´It was narrated that 'Abduilah bin 'Umar said:` "The Messenger of Allah (ﷺ) forbade the Muzabanah. The Muzdbanah means when a man sells the dates of his grove when they are still on the tree, for a measure of dty dates;[2] or, if it is grapes, he sells them when they are still on the vine, for a measure of raisins; or if it is a crop, he sells it for food, estimating the amount (of the crop in the field). He forbade all of these things."

´It was narrated from Salim from his father:` "Zaid bin Thabit narrated to me that the Messenger of Allah (ﷺ) gave a concession regarding the sale of 'Araya.”

´It was narrated from 'Abdullah bin 'Umar that he said:` "Zaid bin Thabit told me that the Messenger of Allah (ﷺ) gave a concession regarding the sale of the estimated harvest of 'Araya return for dried dates." (Sahih) Yahya (one of the narrators) said: "The 'Araya is when a man purchases dates on the trees for food that his family has that is ripe, by estimating them (the dates)."

´It was narrated that Najrani said:` "I said to 'Abdullah bin 'Umar: 'Can I pay in advance for a date palm before it bears fruit?' He said: 'No.' I said: 'Why not?' He said: 'A man paid in advance for a grove of trees during the time of the Messenger of Allah (ﷺ), before they had produced any fruit, and they did not bear anything that year. The purchaser said: 'They belong to me until they produce but the seller said: 'I only sold the trees to you for this year! They referred their dispute to the Messenger of Allah who said to the seller: 'Did he take anything from your date palms?' He said: 'No.' He said: 'Then why do you regard his wealth as lawful for You? Give back what you took from him, and do not take payment in advance for date palms until their usefulness appears."'

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` "When anyone of you passes by a garden let him eat therefrom, but he should not carry any away in his garment."'

´It was narrated from 'Abdullah bin 'Umar that the Messenger of Allah (ﷺ) stood up and said:` "No one of you should milk from the livestock of another man without his permission. Would anyone of you like someone to break into his storeroom and take his food? The udders of their livestock store food for them, so none of you should milk the livestock of another man without his permission."

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` "Sheep are among the animals of Paradise."'

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` “Whoever takes the wrongdoer's side in a dispute or supports wrongdoing, he will remain subject to the wrath of Allah until he gives it up.”

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` 'The one who bears false witness will not move away (on the Day of Resurrection) until Allah condemns him to Hell.' ”

´It was narrated from Ibn 'Abbas and Ibn 'Umar, who attributed the Hadith to the Prophet (ﷺ) that he said:` “It is not permissible for a man to give a gift then take it back, except what a father gives to his child.”

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` “There is no Ruqba. Whoever is given a gift on the basis of Ruqba, it belongs to him, whether he lives or dies.”

´It was narrated from Ibn`Umar that the Prophet (ﷺ) said:` “The one who takes back his gift is like the dog that goes back to its vomit.”

´It was narrated from 'Umar, meaning, from his father, his grandfather 'Umar, that :` he gave a horse in charity at the time of the Messenger of Allah (ﷺ), then he saw its owner selling it for a low price. He went to the Prophet (ﷺ) and asked him about that, and he said: “Do not buy what you gave in charity.”

´It was narrated that Ibn 'Umar said:` “Umar bin Khattab acquired some land at Khaibar, and he came to the Prophet (ﷺ) and consulted him. He said: 'O Messenger of Allah(ﷺ), I have been given some wealth at Khaibar and I have never been given any wealth that is more precious to me than it. What do you command me to do with it? He said: 'If you wish, you can make it an endowment and give (its produce) in charity.' So 'Umar gave it on the basis that it would not be sold, given away or inherited, and (its produce) was to be given to the poor, to relatives, for freeing slaves, in the cause of Allah, to way fares and to guests; and there was nothing wrong if a person appointed to be in charge of it consumed from it on a reasonable basis or feeding a fried, without accumulating it for himself.”

´It was narrated that Ibn 'Umar said:` “Umar bin Khattab said: 'O Messenger of Allah (ﷺ), the one hundred shares of the Khaibar I have never been given any wealth that is more beloved to me than them, and I wanted to give them in charity.' The Prophet (ﷺ) said: 'Make it an endowment and give its produce in the cause of Allah (SWT).”

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` “When a rich man takes too long to repay a debt, this is wrongdoing, and if the debt is transferred to a rich man, you should accept if.”

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` “Whoever dies owing a Dinar or a Dirham, it will be paid back from his good deeds, because then there will be no Dinar or Dirham.”

´It was narrated from Ibn 'Umar and 'Aishah that the Messenger of Allah (ﷺ) said:` “Whoever demands his rights let him do so in a decent manner as much as he can.”

´It was narrated from 'Abdullah bin 'Umar that the Messenger of Allah (ﷺ) said:` “Give the worker his wages before his sweat dries.”

´It was narrated that 'Amr bin Dinar said:` “I heard Ibn 'Umar say: 'We used to lend land for cultivation in return for a share of the harvest, and we did not see anything wrong with that, until we heard Rafi' bin Khadij say: “The Messenger of Allah (ﷺ) forbade it.” Then we stopped because of what he said.' ”

´It was narrated from Ibn 'Umar that:` he used to lease out some land that belonged to him, for cultivation. Then someone came to him and told him that Rafi' bin Khadij said that the Messenger of Allah (ﷺ) had forbidden leasing out land for cultivation. Ibn 'Umar went, and I went with him, until he met him in Balat, and asked him about that, and he told him that the Messenger of Allah (ﷺ) had forbidden leasing out land for cultivation. So 'Abdullah stopped lessening out land.

´It was narrated from Ibn `Umar that :` the Messenger of Allah (ﷺ) entered into a contract with the people of Khaibar for one half of the fruits or crops yielded.

´It was narrated from Ibn 'Umar that the Messenger of Allah Said:` “The land around a date-palm tree, as far as its branches reach, belongs to the owner of the tree.”

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` “Preemption is like undoing the `Iqal.”

´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` “There is no preemption for a partner when his co-partner has beaten him to it (in another deal before), not for a minor nor one who is absent.”