the Messenger of Allah forbade selling animals in exchange for animal's ion credit.

the Messenger of Allah forbade selling the produce several years in advance.

"I was with the Prophet on a journey, and my camel got tired. I thought I wanted to let it go, but the Messenger of "Allah met me and prayed for it (the camel) and hit it. Then it started to run like never before. He said: 'Sell it to me for one Uwqyah.' I said" 'No.' He said: 'Sell it to me.' So I sold it to him for one Uwqiyah but stipulated an exception, to ride it until we reached al-Madinah. When we reached Al-Medina, I brought the camel to him and asked him for its price, then I went back. He sent word to me saying; 'Do you think I bargained with you to take your camel?' Take your camel and your Dirhams.

"The Messenger of Allah forbade selling something from the spoils of war prior to its distribution, having intercourse with a pregnant woman until she gives birth, and (eating) the flesh of any predator that has fangs.

"The Messenger of Allah bought some food from a Jew on credit, and he gave him a shield of his as a pledge. "

a man from among the Ansar who was called Abu (Madhkur) stated that a slave of his who was called Ya'qub was to be set free after he died, and he did not own any other property apart from him. The Messenger of Allah called for him (the slave) to be brought and he said: "Who will buy him?" Nu'aim bin 'Abdullah bought him for eight hundred dirhams, and he gave it to him and said: "If one of you is poor, let him start with himself; if there is anything left over, (let him give it) to his dependents; if there is anything left over, (let him give it) to his relatives; and if there is anything left over, (let him give it) here and there."

the Prophet sold a Mudabbar.

"Go back to your masters, and if they agree to let me pay off your contract of manumission, and let your loyalty be to me, then I will do it" Barirah told her masters about that, but they refused and said: "If she wants to seek reward (with Allah) by freeing you, let her do so, but your loyalty will be to us." She told the Messenger of Allah about that , and the Messenger of Allah said to her; "Buy her and set her free, and loyalty belongs to the one who set the slave free," Then the Messenger of Allah said: "What is the matter with people who stipulate conditions that are not in the Book of Allah? Whoever stipulates something that is not in the Book of Allah, it is not valid even if he stipulates one hundred conditions? The condition of Allah is more deserving of being followed and is more hinting."

"Your children are part of the best of your earnings, so eat from what your children earn."

"The Messenger of Allah said: 'There will come a time when a man will not care where his wealth comes from, whether (the source is) Halal or Haram."

"There are three to whom Allah will not speak on the Day of Resurrection, or will He look at them, or sanctify them and theirs will be a painful torment: A man who has surplus water when traveling but he withholds it form a wayfarer; a man who swears allegiance to an imam for worldly gains, and if he gives him what he wants he is loyal to him but if he does not give him anything he is not loyal to him: and a man who sells a man his product after 'Asr, swerving by Allah that he bought it for such and such a price, and the other believes him."

"The Messenger of Allah said: "The two parties to a transaction both have the choice who long as they have not separated or one of them says to the other: 'Decide!"' (Sahih )

"The Messenger of Allah said;" Two traders have the choice as long as they have not separated, or until they reach a deal that suits both of th4em or that is satisfactory (to both)"

"The two parties to a transaction have the choicer so long as they have not separated, unless they reach an agreement before parting, and it is not permissible to hasten to leave for fear that the other party may change his mind."

Abu Al- Qasim said: "Whoever buys a Musarrah, he has the choice (of annulling the deal) for three days. If the wishes ti keep it, he may keep it, and if he wishes to return it, he may return it, along with a Sa of daters, not wheat." (Sahih )

"The Messenger of Allah said: 'A town-dweller should not sell for a direst-dweller. Leave the people alone and let Allah provide for them from one another."" (Sahih )

the Messenger of Allah forbade meeting traders on the way.

"The Messenger of Allah (ﷺ) forbade meeting traders on the way, until one enters the market with them?" Abu Usamah acknowledged it and said: Yes.

"The Messenger of Allah forbade two kinds of transactions: Mulamash and Munabddhah "

Munabadhah and Mulamasha. And he said that Mulamasah means when one man says to another: "I will sell you my garment for your garment," and neither of them looks at the garment of the others, rather he just touches it. And Munabadhah is when he says: "I will throw what I have and you throw what you have," so that they buy from one another, and neither of them knows how much the other has, and so on.