Hasanallahu eleikum Sheikh, What is the ruling on pre-sales in Islam? Meaning someone designs a product, knows it's quality it's aspects etc. But waits for the buyers to place orders and to pay him, then and only then he asks the factory to produce the product.

Ustadh AbdulAziz al-Haqqan

Its description has to be known thoroughly and the time it will be finished and given, this is allowed on the correct saying in sha'a Allah.