Surprised I didn't see this posted. I searched so I hope this isn't a repost of an old promotion.
"Start your free trial and take $25 off your first order. Use code: 25FRESHOFFER"
It says by invitation but I didn't get an email invitation or anything like that. I just clicked on a banner that took me to the offer. So it's YMMV.
Terms and Conditions:
• Offer expires at 11:59 p.m. (PT) September 30, 2016. Offer only applies to products shipped and sold by AmazonFresh.
• Offer doesn't apply to items offered by Neighborhood sellers, Amazon Gift Cards or orders containing alcohol.
• Offer is subject to the minimum order amount in your delivery area.
• This offer is restricted to invited customers within the Northern and Southern California marketplaces.
• Offer good while supplies last.
• Shipping charges and taxes may apply to discounted and free promotional items.
• Items must be purchased in a single order.
• Offer limited to one per customer and account.
• Offer may not be combined with other offers.
• Taxes, shipping and handling, Neighborhood purchases, and gift wrap do not count when determining the minimum purchase amount.
• The maximum benefit you may receive from this offer is $25.
• 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 promotion are returned, the value of the offer will be subtracted from your return credit.
• 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.