Hazrat Abdullah bin Zubair (may Allah be pleased with him) considered it disliked to purchase land on which jizya is imposed.

Hazrat Umar (may Allah be pleased with him) says: Do not buy the slaves of the dhimmis, because they are subject to kharaj, and they sell each other, and do not buy their lands either.

Hazrat Ali (may Allah be pleased with him) considered the purchase of Kharaji lands to be disliked and said that the payment of Kharaj on these lands is obligatory upon Muslims.

Hazrat Ibn Abbas (may Allah be pleased with both of them) considered it disliked to purchase anything from the dhimmis.

Hazrat Abdur Rahman bin Hazim says that I asked Hazrat Mujahid about buying Kharaji lands, so he said: Do not sell them and do not buy them.

Hazrat Mujahid has declared the purchase of land subject to jizya as disliked.

Hazrat Sha'bi says that Hazrat Shurayh used to administer an oath regarding that illness which cannot be seen, based on its knowledge and its apparent signs.

Hazrat Salim narrates that Hazrat Ibn Umar (may Allah be pleased with them both) sold a slave for eight hundred dirhams. Later, the buyer found a defect in him and brought the case before Hazrat Uthman (may Allah be pleased with him). Hazrat Uthman (may Allah be pleased with him) asked Hazrat Ibn Umar (may Allah be pleased with them both) about this matter. He replied that he had sold him with a declaration of exemption from defects. Hazrat Uthman (may Allah be pleased with him) then said to Hazrat Ibn Umar (may Allah be pleased with them both): "Do you swear that at the time you sold him, you had no knowledge of any defect in him?"

Hazrat Ata says that if a person buys some goods and then finds a defect in them, the buyer will need to provide testimony that this defect was present while the goods were with the seller. If testimony is provided, then fine; otherwise, the seller will be made to swear an oath that he was not aware of the defect. Hazrat Amr bin Dinar says that the oath should be regarding knowledge.

Hazrat Aamir says that if a man bought a slave-girl and then found that she had smallpox, and the buyer had no witnesses, then the seller will be made to swear an oath that when he sold her, she did not have smallpox.