I had $5 digital credit from no-rush shipping options and it was expiring soon. So I’ve searched and found this for those who had watched GOT yet like me. Thought it’s not a bad deal for a whole season.
https://www.amazon.com/Winter-Is-…149&sr=1-2
You can check your digital credit balance at the following URL:
https://www.amazon.com/norushcredits