the Prophet forbade a town-dweller to sell for a desert- dweller, even if he was his father or brother. (Sahih )

The Messenger of Allah said: "No town-dweller should sell for a desert-dweller, do not artificially inflate prices, no man should urge a seller to cancel a sale already agreed upon with another buy so as to by the goods himself, no one should make a proposal over the proposal of his brother and no woman should make a proposal over the proposal of his brother and no woman should ask for her sister in faith) to be divorced so as to turn over what is in her vessel Deprived her of her share of maintenance) and so that she may get married in her place: she will have what Allah has decreed or her."

"No one of you should urge someone to cancel a sale he has already agreed upon with his brother so as to sell him his own goods."

the Prophet forbade artificially inflating prices.

"No tow-dweller should sell for desert-dweller, no man should outbid his brother; and no woman should ask for her sister (in faith) to be divorced so as to turn over what is in her bowl (deprive her of her share of maintenance)"

the Messenger of Allah sold a drinking bowl and a blanket (for a horse of camel) to the highest bidder '

"The Messenger of Allah forbade Mulamasah, which means touching a garment without looking at it; (and he forbade) Munabadhah which is where one man sells his garment to another man by throwing it to him, without him checking it or looking at it."

"The Messenger of Allah forbade two kinds of garments and two kinds of transactions. As for the two kinds of transactions, they are Mulamash and Munabadhaha. Munabadha is when a man says, 'I throw this garment, and the transaction becomes binding, and Mulamasah is when a man touches it with his had, without spreading it out and checking it, and once he touches it, the transaction becomes binding."

the Messenger of Allah forbade selling fruits until their condition is known.

"The Messenger of Allah stood up among us ad said: 'Do not sell fruits until their condition is known.""

the Prophet forbade Mukhabarah, Muzabanah and Muhaqalah, and selling fruits until they were fit to eat, except in the case f 'Aray.

"The Messenger of Allah said: "If you sell fruits to your brother then the crop fails, it is not permissible for you it takes anything from him. Why would you take the wealth of your brother unlawfully?"'

the Prophet forbade selling the harvest for a number of years (in advance.)

the Prophet forbade selling fresh dates still on the tree for dried dates. Ibn 'Umar said: "Azid bin Thabit narrated to me, that Allah's Messenger permitted that in the case o 'Ayaya"'

the messenger of Allah forbade Muzabana, and Muzabanah means selling fresh dates still on tree for dried dates by measure, and selling fresh grapes for raisins by measure.

the Messenger of Allah granted a concession regarding 'Araya sales regarding dried dates and fresh dates.

the Messenger of Allah granted a concession allowing Araya sales by estimation.

Rafi bin Khadij and Sahl Bi Abi Hathamah narrated that the Messenger of Allah forbade Muzabanah, which means selling fresh dates still on the tree for dried dates, except in cases of 'Araya, for which he gave permission. (Sahih

"The Messenger of Allah granted a concession allowing 'Araya sales by estimate."

"The Messenger of Allah was asked about (buying) said; 'Will fresh dates decrees (in weight or volume) when they dry out? 'They said 'yes so he forbade that"