You cannot add or delete items from an order once it has been submitted.
You cannot modify the billing address an order.
To change the items or quantities in your order you must cancel your order and place a new one. (See cancellation instructions below)
SHIPPING ADDRESS CHANGE:
If your order has not yet been shipped, we will be able to update your shipping address. Please email us with your order number, and the updated shipping address you'd like to be updated on your order at firstname.lastname@example.org
Login to your account here and locate the order you'd like to cancel, if you see the product(s) has not yet been shipped, please email us at email@example.com with the product(s) that you'd like to cancel and order number so we can check to see if we'd be able to cancel.