Abdullah bin Umar reported,

We used to buy food from the riders in bulk, and the Messenger of Allah ﷺ forbade us to sell it until we had moved it from where it was.

قال وكنا نشتري الطعام من الركبان جزافا فنهانا رسول الله ﷺ أن نبيعه حتى ننقله من مكانه