No, unfortunately you can’t pay the order at the courier. Your purchase have to take place directly on our website, but be assured that our payment systems are secured by advanced ssl encryption systems
Of course you can return product. You have 14 days to make a return. You have to send a return request by email to firstname.lastname@example.org in order to receive the return authorization. Then you will receive a reply with all the information and instructions to proceed with the return.
If you wish to change your shipping address when your order has been shipped you can do it on DHL On Demand delivery service (ondemand.dhl.com), but the new address must be located in the same Country that you selected previously.