Selling a purchased item before taking possession of it and taking it to one’s location

Is It Prohibited to Buy a Cat?

What is the ruling on buying credit for a mobile phone for more than its price?

Ruling on subscribing to the mobile phone service called “Sallifni…Shukran”

Is it permissible to delegate someone to buy an item then sell it to him before taking possession of it?

What is the ruling on a pharmacist selling medicine when he thinks it most likely that the purchaser is going to use it as a drug or is addicted to it?

The purchaser delayed payment; is it permissible to make an agreement with him that he will pay the outstanding balance in gold?

Ruling on the seller stipulating a penalty clause if the purchaser cancels the transaction

Is it permissible to tell people about a cheaper source than someone who is promoting a product at a particular price?

What is the ruling on buying gold ingots from the Internet or the bank and keeping them for the client?