The Messenger of Allah (sallallahu alayhi wa sallam) would accept a gift and give something in return for it.
وَعَنْ عَائِشَةَ رَضِيَ اَللَّهُ عَنْهَا
قَالَتْ: «كَانَ رَسُولُ اَللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقْبَلُ اَلْهَدِيَّةَ، وَيُثِيبُ عَلَيْهَا»
The Messenger of Allah (sallallahu alayhi wa sallam) would accept a gift and give something in return for it.
صحيح. رواه البخاري (2585)
Who passed it on, from Ibn Hajar back to the one who was there.
The same words, in another collection.
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