Email eInvite immediately if you discover that you need to increase the quantity. They will try to catch the order before it has been printed. The price for an additional 25 is always a better value than a new order for 25. If you are close to your guest count, you may consider ordering an extra twenty-five in case of mistakes or last minute additions. If the order cannot be stopped before it is printed, you will be charged at the new order price. They will notify you to let you know whether the order was stopped in time or not.