*One should not cheat others when selling them weighed goods.
*It is unlawful for one to cheat others when selling, as it is unlawful to hold a monopoly on the marketplace and increase the prices to harm people. It is also unlawful for one to increase the value of a product while they have no interest in buying it.
*It is unlawful to indulge in interest based sales. It is unlawful for one to indulge in E'nah56, that is; that an individual sell a product to another and accepts for it a deferred payment. The seller then buys back the product from the ‘new owner’ with cash, which is less than the deferred payment.
*One should be truthful and deal with others in a trustworthy manner. The Prophet () passed through the marketplace and saw some fruit. He put his hand in the basket and he felt dampness. He said:
