lt was narrated from Salih bin Suhaib that his father said:
"The Messenger of Allah (ﷺ) said: 'There are three things in which there is blessing: A sale with deferred payment; Muqaradhah (profit sharing); and mixing wheat with barley for one's house, but not for sale."' (FR)
English reference (FR): Vol. 3, Book 12, Hadith 2289 (FR)
Arabic reference (FR): Book 12, Hadith 2377 (FR)