Can I change to a different product after placing the order? GVIDO Customer Support 03 December 2017 20:29 Updated Please contact GVIDO customer support for assistance or please double check your order before you place it. Related articles Can I combine multiple orders (different order numbers)? Supplied items I don't have a credit card. Can I pay with a check, bank wire or COD? What are your payment options? Do you offer free shipping?