"I saw people being beaten (in punishment) at the time of the Messenger of Allah for buying food unmeasured and selling it before bringing it to their own camp."
Sunan an-Nasa'i Book 44, Hadith 160
← Previous Hadith they used to buy foold from the riders at the time of the Messenger of Allah and he forbade them to sell it in the place where they had bought it until they moved it to the food market.

Sunan an-Nasa'i Book 44, Hadith 159 Next Hadith → "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."

Sunan an-Nasa'i Book 44, Hadith 161