Jabir ibn Abdullah reported: The Messenger of Allah, peace and blessings be upon him, said:
May Allah have mercy on a man who is tolerant when selling, buying, and seeking repayment.
Source: Sahih Bukhari 1970, Grade: Sahih
Uthman ibn Affan reported: The Messenger of Allah, peace and blessings be upon him, said
Allah the Exalted will admit a man into Paradise who was easy in his buying and selling, in his paying debts and seeking repayments.
Source: Sunan An-Nasa’I 4696, Grade: Sahih