Can You Sell What You Do Not Possess?

Ruling on keeping an animal that is a cross between a wolf and a dog

He takes a down payment on the price of the item, then he buys it and hands it over to the purchaser

Ruling on buying additional warranty coverage for products

Selling posters and frames of Qur’aanic verses

What is the ruling on the bonus that pharmaceutical companies give to pharmacies?

Ruling on collecting stamps and trading in them

It is not valid to sell something for an unknown price or for a price to be paid within an unknown period of time

Ruling on taking pictures with digital cameras and video cameras

He is an agent for a company and he sells goods for a price higher than that of the company and keeps the extra amount