Check your Amex Offers!
Amazon.com -
Get +4 Membership Rewards® points per dollar spent, up to 1,500 points - Get 4 additional Membership Rewards points for each dollar spent on eligible purchases made using your enrolled Card online at amazon.com or via the US
Amazon mobile app by 12/31/2019. Limit of 1,500 Membership Rewards points. (This offer effectively makes your card a 5x or 6x MR earner at Amazon. Maximize by spending $375.)
Grubhub - Restaurant Delivery + Pickup -
Spend $25 +, get $5 back. Up to 2 times (total of $10) - Get a $5 statement credit by using your enrolled Card to make a single purchase of $25 or more online at Grubhub.com or through the Grubhub app by 12/31/2019. Limit of 2 statement credits (total of $10).
Excludes corporate card transactions, purchases of electronic gift cards or physical gift cards bought online.
You can stack this with the Amex Gold's monthly $10 dining credit, which includes Grubhub/Seamless.
There's also this earlier offer:
Grubhub.com / Seamless.com -
Get one additional Membership Rewards® point for each dollar spent - Get 1 additional Membership Rewards point per dollar spent on purchases made using your eligible, enrolled Card at Grubhub.com or Seamless.com, or through the Grubhub or Seamless app by 12/31/19.
The Leading Hotels of the World -
Spend $300 or more, get $60 back - Get a one-time $60 statement credit by using your enrolled Card to spend $300+ on room rate and room charges, when you pay for your stay with The Leading Hotels of the World, Ltd. from 11/25/2019 to 2/21/2020.
And one from a few days ago:
JetBlue Vacations -
Spend $1,500 or more, get $400 back - Get a one-time $400 statement credit by using your enrolled Card to spend a minimum of $1,500+ in one or more transactions online at jetbluevacations.com by 12/31/2019.