Ibn Umar (Allah be pleased with them) reported Allah's Apostle (ﷺ) as having said this:None amongst you should outbid another in a transaction, nor should he make proposals of marriage upon the proposal made by someone else

Ibn Umar (Allah be pleased with them) reported Allah's Apostle (ﷺ) as having said this:A person should not enter into a transaction when his brother (had already entered into but not finalised), and he should not make proposal of marriage upon the proposal already made by his brother, until he permits it

Narrated Ibn Umar :The above hadith has been narrated by Ibn Umar through another chain

A hadith like this has been reported on the authority of Nafi' with the same chain of transmitters

Ibn 'Umar (Allah be pleased with them) reported Allah's Messenger (ﷺ) as having said this:One amongst you should not enter into a transaction when another is bargaining

Ibn 'Umar (Allah be pleased with them) reported Allah's Messenger (ﷺ) as saying:A person should not enter into a transaction when his brother is already making a transaction and he should not make a proposal of marriage when his brother has already made a proposal except when he gives permission