It was narrated from Ibn 'Umar that the Prophet (ﷺ) said:
O Allah, bless my nation in their early mornings. . It was narrated from Abu Hurairah that the Prophet (ﷺ) said: Whoever buys a Musarrah, he has the choice (of annulling the deal) for three days. If he returns it, then he must also give a Sa' of dates, not Samra'. Meaning wheat.