How can I add a product in an order?
1) Select the order you want to edit then click More Actions > Order Editor by Lion Apps
2) Click Add Items to this order button
3) Type the product name inside box #1 below to search for the product you want to add or click on Create a customer item for this order button to add/create a product that is not yet in your product list or inventory.
4) Don't forget to adjust the necessary quantity and amount if needed.
5) Click Update Order button to finalize the new order.