Chatted yesterday amazon got today a follow up email below.
Hello,
I certainly understand your concern regarding the gift card promotion. Let me check and assist you in this regard.
Redeem your promotional discount in 4 easy steps:
1) Add AMEX Card to Amazon wallet
Add a valid, non-expired American Express Card to your Amazon wallet.
2) Shop eligible gift cards
Add a gift card valued at $100 or more to your shopping cart. Promotion can only be redeemed on one purchase, per card and per Amazon account.
3) Add free $25 gift card to cart
Our gift to you – a gift card valued at $25. Add this gift cardto your shopping cart before checkout.
4)Use code AMEXMOM20 at checkout
Use promo code AMEXMOM20 at checkout. To redeem this offer, you must pay for your order using your eligible American Express card. Promotion valid only on purchases using an American Express card.
Follow all the above steps, in case if you don't get $25.00 gift card in free, we'll issue $25 refund or issue $25.00 promotional credit.
If you have some other concern feel free to contact us again, we are always here to assist you.
We hope to see you again soon.
Best regards,
Ranu