Narrater: (Tawus) Hadidth No: (367)

Ibn Abbas said, ''Allah's Apostle said, Do not go to meet the caravans on the way (for buying their goods without letting them know the market price); a town dweller should not sell the goods of a desert dweller on behalf of the latter.' I asked Ibn Abbas, What does he mean by not selling the goods of a desert dweller by a town dweller?' He said, He should not become his broker.' ''