Home page: "Your Account" in the upper right corner
Your Account page: Order column-More Order Actions column-Sixth row "Manage Prime Membership"
Log in Page: Enter the password again
Cancel under the Membership Information column. As long as it has not been used before the refund, you can refund the full amount to the debit credit card. Amazon will use the $1 order to verify the credit card before the official refund, but the $1 will be refunded.