Messenger of Allah ﷺ said, "Do not urge somebody to return what he has already bought (i.e. in optional sale) from another seller so as to sell him your own goods."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَبِيعُ بَعْضُكُمْ عَلَى بَيْعِ أَخِيهِ  

Messenger of Allah ﷺ said, "You should not try to cancel the purchases of one another (to get a benefit thereof), and do not go ahead to meet the caravan (for buying the goods) (but wait) till it reaches the market."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَبِيعُ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ وَلاَ تَلَقَّوُا السِّلَعَ حَتَّى يُهْبَطَ بِهَا إِلَى السُّوقِ  

(who was one of the Badr warriors) Messenger of Allah ﷺ said, "Give me the pledge of allegiance."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ بَايِعُونِي  

One amongst you should not enter into a transaction when another is bargaining.  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَبِعْ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ  

Don't have estranged relations (with the others) and don't nurse enmity and don't enter into a transaction when the other (has already entered) and be fellow-brothers and servants of Allah.  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ تَهَجَّرُوا وَلاَ تَدَابَرُوا وَلاَ تَحَسَّسُوا وَلاَ يَبِعْ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ وَكُونُوا عِبَادَ اللَّهِ إِخْوَانًا  

"Do not go out to meet the riders, and do not urge someone to cancel a sale he has already agreed upon os as to sell him your own goods, do not artificially inflate prices, and let not a town-dweller sell for a desert-dweller." (Sahih )  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ تَلَقُّوا الرُّكْبَانَ لِلْبَيْعِ وَلاَ يَبِعْ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ وَلاَ تَنَاجَشُوا وَلاَ يَبِيعُ حَاضِرٌ لِبَادٍ  

The Messenger of Allah ﷺ as saying: None of you must buy in opposition to one another ; and do not go out to meet the merchandise, (but one must wait) till it is brought down to the market.  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَبِعْ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ وَلاَ تَلَقَّوُا السِّلَعَ حَتَّى يُهْبَطَ بِهَا الأَسْوَاقَ  

"Let one of you not undersell another."[1]  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَبِيعُ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ  

"A City-dweller should not sell for a Bedouin."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَبِيعُ حَاضِرٌ لِبَادٍ  

“Allah has revealed to me that you should be humble towards one another and should not wrong one another.”  

قَالَ رَسُولُ اللَّهِ ﷺ إِنَّ اللَّهَ أَوْحَى إِلَىَّ أَنْ تَوَاضَعُوا وَلاَ يَبْغِي بَعْضُكُمْ عَلَى بَعْضٍ  

One amongst you should not enter into a transaction when another is bargaining. (Using translation from Muslim 1412e)  

أَنَّ رَسُولَ اللهِ ﷺ قَالَ لَا يَبِعْ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ وَلَا يَبِعْ حَاضِرٌ لِبَادٍ وَلَا تَنَاجَشُوا وَلَا تَلَقَّوْا السِّلَعَ  

None amongst you should outbid another in a transaction, nor should he make proposals of marriage upon the proposal made by someone else. (Using translation from Muslim 1412a)  

سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ لَا يَبِيعُ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ وَلَا يَخْطُبُ بَعْضُكُمْ عَلَى خِطْبَةِ بَعْضٍ  

[Machine] According to the Messenger of Allah ﷺ , he said, "None of you should sell based on the sale of another, nor should anyone propose marriage to someone who has already been proposed to."  

عَنْ رَسُولِ اللهِ ﷺ أَنَّهُ قَالَ لَا يَبِيعُ بَعْضُكُمْعَلَى بَيْعِ بَعْضٍ وَلَا يَخْطُبُ عَلَى خِطْبَةِ بَعْضٍ  

"Let one of you not undersell another."[1] (Using translation from Ibn Mājah 2171)  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ «لَا يَبِعْ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ»  

[Machine] The Messenger of Allah ﷺ said, "None of you should sell the property of his brother without his permission."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ «لَا يَبِعْ أَحَدُكُمْ عَلَى بَيْعِ أَخِيهِ إِلَّا بِإِذْنِهِ»  

"Do not go out to meet the riders, and do not urge someone to cancel a sale he has already agreed upon os as to sell him your own goods, do not artificially inflate prices, and let not a town-dweller sell for a desert-dweller." (Sahih ) (Using translation from Nasāʾī 4496)  

أَنَّ رَسُولَ اللهِ ﷺ قَالَ «لَا تَلَقَّوُا الرُّكْبَانَ لِلْبَيْعِ وَلَا يَبِيعُ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ وَلَا تَنَاجَشُوا وَلَا يَبِيعُ حَاضِرٌ لِبَادٍ»  

[Machine] The Prophet ﷺ said, "None of you should sell anything over the sale of another. In the narration of Abu Zakariyya, he said, 'None of you should sell.'"  

أَنَّ النَّبِيَّ ﷺ قَالَ لَا يَبِعْ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ وَفِي رِوَايَةِ أَبِي زَكَرِيَّا لَا يَبِيعُ