Buying and Selling: Disapproved Transactions
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 2062
Some disapproved transactions are as follows:
1. Selling real estate, unless one buys another real estate with the money acquired from the transaction;
2. To be a butcher;
3. Selling shrouds (kafans);
4. Transactions with people of low character;
5. Transactions between the start of the time for the morning (ṣubḥ) prayer and sunrise;
6. Making one’s profession the buying and selling of wheat, barley, and suchlike;
7. Intervening in someone else’s transaction in order to buy the goods that the other person wishes to buy.
-Ayatullah Sistani, Practical Laws of Islam, Buying and Selling


