It will depend on the company you choose to send the phone back.
If you refuse the package, it will be returned back to us and you won't have to pay to return the phone back.
We use FedEx to send our packages, all refused deliveries are returned back to sender; they already have our address. Once the phone is received and validated in our warehouse, a refund will be processed.
Yes, just refuse the package and it will taken back.