"I was with the Messenger of Allah on a journey, and I was riding a camel. He said: 'Why are you at the back of the people?, I said: 'My camel is tired, He took hold of its tail and shouted at it, then I was at the front of the people, worrying that it would go ahead of the others. When we drew close to al-Madinah he said: 'What happened to the camel? Sell it to me.' I said, No, it is yours O Messenger of Allah.; He said, 'No, sell it tome. I said, 'No, it is yours, O Messenger of Allah.' He said: 'No, sell it to me. I will take it for one Uwqiyah but you (continue to) ride it. Then when you reach Al-Madinah, bring it to us.' So when I reached Al-Madinah, I brought it him. He said to Bilal: 'O Bilal, weight out for him one Uwqiyyah and add a Qirat.' I said: 'This is something extra that the Messenger of Allah gave to.' I kept it with me and put it in a bag, and it stayed with me until the people of Ash-Sham came on the Day of Al-Harrah and took from us what they took.'

she wanted to buy Barirah to set her free, but they stipulated that her loyalty (should be to them. She mentioned that to the Messenger of Allah and the Messenger of Allah said: "Buy her, and wet her free and loyalty (Wala) belongs to the one who sets the slave free." Some meat was brought to the Messenger of and it was said that this had been given in charity to Bariirah. He said: "It is charity for her, and a gift for us." And she was given the choice

"I heard the Messenger of Allah say: 'If the two parties to a transaction disagree, and neither of them has any proof, then it is as the owner of the goods says, or they may cancel it.'''

"We were with Abu 'Ubaidah bin 'Abdullah bin Mas'ud when two men who were involved in a transaction came to him. One of them said: 'I bought it for such and such', and the other said; 'I sold it to him for such and such,' Abu 'Ubaidah said" 'something like this was brought to Ibn Masud, and he said; I was with something like this was brought to him. He told the seller to swear an oath, them he gave the purchaser the choice; If he wished, he could buy it, and if he wished he could cancel (the transaction)''

"A man from Banu 'Adhrah stated that a slave of his was to be set free after he died. News of that reached the Messenger of Allah and he said: 'Do you have any other property basides him/' He said? 'No.' the Messenger of Allah said; 'Who will buy him from me?' Nu'aim bin 'Abdullah Al-Adawi bought him for eight hundred Dirhams, which the Messenger of Allah brought and gave to him (the former owner). Then the Messenger of Allah said: 'Start with yourself and give charity to (yourself). If there is anything left over, then give it to your family; if there is anything left over from your family, then give it to your relatives; if there is anything left over from your relatives, then give it to such and such,' saying 'In front of you, to your right and to your left.

"The Messenger of Allah said: 'Dates for dates, wheat for wheat, barley for barley, salt for salt, exchanged hand to hand. Whoever gives more or takes more has engaged in Riba unless they are of different types."

"Abu Al-Mutawakkil passed by them in the market and some people, including me, stood up to greet him. We said: 'We have come to you to ask you about transactions.' He said: 'I heard a man say to Abu Saeed Al-Khudri': 'Is there anyone between you and the Messenger of Allah (in the chain of narrators) apart from Abu Saeed Al-Khudri? He said: 'There is no one else between him and I. He said: Gold for gold, silver for silver, wheat for wheat, barley for barley, dates for dates, salt for salt, equal amounts. Whoever gives more than that or takes more has engaged in Riba, and the taker and the giver are the same."'

"Umar said: Dinar for Dinar, Dirham for Dirham, no difference between them, this is the obligation that our Prophet enjoined upon us."

"Do not sell gold for gold except like for like and do not differentiate. Do not sell silver for silver except like for like, and do not sell it in return for something to be paid later."

"On the Day of Khaibar I got a necklace containing gold and gems, and I wanted to sell it. Mention of that was made to the Prophet and he said: 'Take it apart, and then sell it."'

"There is no Riba except in credit.'

"I said to Ibn Abbas: 'Do you think that what you are saying is something that you found in the Book of Allah, or something that you heard from the Messenger of Allah?' He said: 'I did not find it in the Book of Allah, nor did I hear it from the messenger of Allah, rather Usamah bin Zaid told me that the Messenger of Allah said: 'Riba is only in credit."'

he disliked it (this transaction) if it was done on credit. (Da 'if )

This is what I have found on this topic.

"The Messenger of Allah said: 'Whoever buys food, let him not sell it until he has taken possession of it."'

"The Messenger of Allah said: 'Whoever buys food let him not sell it until he takes possession of it. Ibn 'Abbas said: "I think the same applies to everything else as to food."

"The Messenger of Allah said: "Do not sell food until you have bought it and taken possession of it."'

"Ata' told me that from 'Abdullah bin 'Ismah Al-Jushami from Hakim bin Hizam from the prophet. "

"The Messenger of Allah bought some food from a Jew with payment to be made later, and he put his shield in pledge for that."

"He put his armor in pledge for that with a Jew in Al-Madinah, and he took some barley from him for his family.