NOTE: only Prime Now items and first time buyers: https://primenow.amazon.com/
More info at their site
How to redeem:
Step 1: Use promo code 10PRIMENOW to get $10 off your first order now
Step 2: Receive an email from Amazon on July 13, 2016 with a new promo code
Step 3: Use the new promo code to get $10 off a future order placed between July 13, 2016 and July 31, 2016
10PRIMENOW Terms & Conditions [amazon.com]
This offer expires at 11:59 p.m. (PT) July 12, 2016. Order from Prime Now by July 12, 2016 to receive $10 off your first order with promo code 10PRIMENOW. You will receive an e-mail from Amazon on July 13, 2016 with a new promotional code. The e-mail will also provide instructions on how to redeem the new promotional code. The promotional code you receive on July 13, 2016 expires at 11:59 p.m. (PT) July 31, 2016. Offer applies to first-time customer orders and is subject to the minimum order amount in your delivery area. Offer available to Amazon Prime Members and only applies to products purchased through Prime Now that are sold and shipped by Amazon.com. Offer does not apply to digital content, alcohol or to orders placed through Amazon.com or any Amazon mobile application other than Prime Now. Offer good while supplies last. Items must be purchased in a single order and shipped at the same speed to a single address. Shipping charges and taxes may apply to discounted and f! ree promotional items. Offer limited to one per customer and account. Offer may not be combined with other offers. Taxes, shipping and handling, alcohol and gift wrap do not apply when determining minimum purchase amount. The maximum benefit you may receive from this offer is $20. Amazon reserves the right to modify or cancel the offer at any time. Offer is non-transferable and may not be resold. Offer discount will be allocated proportionally among all promotional items in your order. If any of the products or content related to this offer are returned, your refund will equal the amount you paid for the product or content, subject to applicable refund policies. If you violate any of these terms, the offer will be invalid. Unless an Amazon Gift Card is the stated benefit of the promotion, promotional codes (including those placed directly in accounts) may not be redeemed for Amazon Gift Cards.