Ubaidullah bin 'Umar bin Hafs عبيد الله بن عمر بن حفص بن عاصم · Commercial Transactions (Kitab Al-Buyu)

I used to sell camels at al-Baqi for dinars and take dirhams for them, and sell for dirhams and take dinars for them. I would take these for these and give these for these. I went to the Messenger of Allah (ﷺ) who was in the house of Hafsah. I said: Messenger of Allah , take it easy, I shall ask you (a question): I sell camels at al-Baqi'. I sell (them) for dinars and take dirhams and I sell…

The Messenger of Allah (ﷺ) forbade to sell fresh dates for dry dates when payment is made at a later date. Abu Dawud said: The tradition mentioned above has also been transmitted by Sa'd (b. Abi Waqqas) from the Prophet (ﷺ) through a different chain of narrators in a similar way.

The Prophet (ﷺ) forbade sale of fruits for a number of years. One of the two narrators (Abu al-Zubair and Sa'id b. Mina') mentioned the words "sale for years" (bai' al-sinin instead of al-mu'awamah).

The Messenger of Allah (ﷺ) forbade the transaction called habal al-habalah.

The Messenger of Allah (ﷺ) forbade mukhabarah. I asked: What is mukhabarah ? He replied: That you have the land (for cultivation) for half, a third, or a quarter (of the produce).