EARN 1500 UNITED AND/OR AMERICAN AIRLINES MILES FOR $3+ [TARGETED?]

There is a targeted promotion valid till 06/25/2017 for earning easy 1500 United Airlines and/or American Airlines miles by participating in the dining program offered by these programs. Check your email to see if you are targeted with the offer.  The promotion gives 500 miles for each restaurant visit up to 3 visits. So you can earn 1500 miles in total. Below are the actual terms of the promotion for those who are targeted.:
Before June 25, 2017 at 11:59 p.m. Eastern time, you must dine at any participating restaurant, bar, or club and spend a minimum of $1. Limit one bonus-qualifying visit per restaurant per day. 
The interesting part is that there is an identical offer for both American Airlines and United Airlines.  As you can see the offer requires only spending $1+ on each visit and so you can easily earn 1500 miles for minimal spend out of pocket on dining.

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Earn up to 1500 miles with United Airlines MileagePlus Dining

Earn up to 1500 miles with American Airlines AAdvantage Dining

Unfortunately as I mentioned this seems to be a targeted offer so check your email to see if you have received this offer. But If you are not a member of any of these dining programs there is still a nice sign up offer for both of them.

Earn up to 4000 United Airlines MileagePlus miles:
MileagePlus Dining has offer where you can earn up to 4000 miles for dining by joining on or before June 30th 2017 and dining within the first 30 days. The earning bonus are as below:

• 500 miles for signing up and registering your debit/credit card for dining program.
• 1000 miles for spending $25 or more on your first participating restaurant visit.
• 500 miles for spending $25 or more on your next participating restaurant visit -- up to 5 times. So in total you can earn 2500 miles here.

For additional terms kindly check the details here.
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Earn up to 2000 American Airlines AAdvantage miles:
American Airlines dining has offer where you can earn up to 2000 miles for dining by joining before July 31st 2017 and dining within the first 30 days. The earning bonus are as below:

• 1000 miles for spending $25 or more on your first participating restaurant visit.
•  500 miles for spending $25 or more on your second participating restaurant visit.
• 500 miles for spending $25 or more on your third participating restaurant visit.

For additional terms kindly check the details here.

​So, check your email and get going for easy American Airlines AAdvantage or United MileagePlus miles.