Link your eligible Citi card to your Amazon.com account.
Add products sold and shipped by Amazon.com to your Shopping cart. This is important; it won’t work on marketplace items.
Enter the promo code 2017CITI5 in the box provided on the checkout page.
Pay at least $.01 with your Citi ThankYou points.
Up to $5 of savings will be reflected on the final order checkout page.
Not as good as the American Express deal obviously but still 10% discount.
