This may not be for all accounts,
Order your first Amazon.com Gift Card valued at $50 or more using Text Method as delivery by December 31, 2017 and receive a $10 promotional credit applied to your account.
This may not be for all accounts,
How to get free $10 credit:Visit the companies website by clicking Get This Offer
Order a $50 or more Amazongift card and you must select Text Message as the delivery method.
The promotional credit of $10 will be automatically applied to the Amazon.com account during checkout after 3 days of shipment of your gift card.
You will see it at checkout
https://www.amazon.com/gp/product/B01FIS88SY
This may not be for all accounts,