How does a customer edit quantity/address within an allowed window?

A customer can edit quantity or the delivery address within an allowed window (before fulfilment locks the order). On edit, the system revalidates stock, the delivery zone, and price, so the change is only accepted if it's still fulfillable and correctly priced. This gives customers reasonable flexibility to fix a mistake or adjust an order shortly after placing it, without letting…

A customer can edit quantity or the delivery address within an allowed window (before fulfilment locks the order). On edit, the system revalidates stock, the delivery zone, and price, so the change is only accepted if it's still fulfillable and correctly priced. This gives customers reasonable flexibility to fix a mistake or adjust an order shortly after placing it, without letting changes happen so late that they'd disrupt an order already being packed or shipped.