Feature Request: Shop want an feature if customer add any incomplete address and invalid address in that case order will not go though and customer will get an pop up that address is invalid. Why: If customer add any invalid address or incomplete address it's leads to misplace the product and face issue while shipping the order, if this feature is develop it will help in right shipping and it will less chance to be product misplaced. Benefits in Sales: If address will correct then there is less chances of misplaced the order and In that case there is no need to make the shop to made return for the wrong address order.