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I saw the people buy foodstuff randomly (i.e. blindly without measuring it) in the lifetime of Allah's Messenger (ﷺ) and they were punished (by beating), if they tried to sell it before carrying it to their own houses.

I saw people being beaten during the lifetime of Allah's Messenger (ﷺ) in case they bought the foodgrain in bulk, and then sold them at that spot before taking it to their places. This hadith is narrated on the authority of 'Ubaidullah b. A

"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."