Musannaf Ibn Abi Shaybah

Hazrat Habib says that the Mothers of the Believers used to engage in trade in exchange for their annual stipend.

Hazrat Ata states that Hazrat Umar (may Allah be pleased with him) used to engage in buying and selling in exchange for the annual stipend.

Hazrat Ja'far bin Amr bin Harith narrates that a villager sent Hazrat Ali (may Allah be pleased with him) a silk garment embroidered with gold, so Hazrat Ali (may Allah be pleased with him) bought it from Amr bin Harith for four thousand dirhams, with the payment to be made from his annual stipend.

Hazrat Noah bin Bilal says that Ali (may Allah be pleased with him) bin Qais bought from me in exchange for an annual stipend.

Hazrat Aamir (may Allah be pleased with him) says that it is permissible to purchase something in exchange for a debt up to the amount of an annual stipend.