Targeted Promotion: 10% Off Delta Awards (up to 100k Off)

Delta SkyMiles is offering a 10% rebate on awards booked by May 13th, for travel between the dates of August 14 and November 14, 2018. The maximum amount of miles you'll get back is 100,000.

This offer is not available to everyone. Check here to see if you were targeted.

To be clear, you must have the total amount of miles required to book the award. Rebate will apply to entire amount of miles redeemed, even if there are others aside from you on the reservation.

Earn 1,000 Marriott Points For One Tweet Tomorrow

You can earn 1,000 Marriott Rewards for taking a few seconds out of your day to tweet the answer to an NFL trivia question tomorrow--Sunday, September 24. Well, maybe more than a few if you need to google the answer like I will as I know next to nothing about football.
How to Get the Free Points
Step 1: Connect your Twitter account to your Marriott Rewards account here.

Earn Double the Rewards On Your Amex at Small Businesses Through 2016

Through December 31, 2016, you can earn double the rewards on purchases that normally fall into the non-bonused category of spend when you use your Amex card at eligible small businesses. The only stipulation is that you register your card first.

7,500 American Airlines Miles For 10 Min Cadillac Test Drive: The Deal Returns

If you are a registered member of the AAdvantage program, you might be able to earn 7,500 bonus American Airlines miles for test driving a Cadillac before December 31, 2015. Check your email to see if you received the following promotional offer that this FlyerTalker did:
Hello xxx,
AAdvantage Number: *******Cadillac shares your passion for travel.

Discounted Domestic Delta Awards for Winter Travel: 20k Roundtrip

Delta is having a "Pre-Black Friday Award Sale" for roundtrip awards that cost 20,000 miles roundtrip:

booked by November 30, 2015
flown January 5 to February 24, 2016 excluding February 12-16 and 19
with a Saturday night stay

Delta lists "sample cities" on the sales page, but not a complete list of discounted city pairs.

I did a sample booking from Cincinnati to Las Vegas for January.

Sale on United Awards to Brazil and Chile

United is offering a 25% discount on roundtrip economy awards to Brazil and Chile this Fall (their Spring.) For 45,000 United miles, you can fly roundtrip to Santiago, Rio de Janeiro, or Sao Paulo.

This is nearly an exact re-run of a deal we saw in April.
Key Terms

Book by November 30, 2015.
Travel by November 30, 2015.
You must fly only United and United Express flights--no partners.
Discounted Saver Award is only valid for travel between the U.S.

20% Off United Awards to Hawaii, Mexico, and Ski Destinations

United is offering a 20% discount on roundtrip Saver economy awards booked this month to Hawaii, Mexico, and several ski and warm weather destinations in the continental United States.

United Offering 20% Discount on Awards to Europe

United is offering a 20% discount on economy awards to Europe flown this winter.

Instead of the normal 60,000 miles roundtrip, Saver awards to nine airports in Europe will cost only 48,000 miles roundtrip.

This is a good deal if you were already planning to use United miles to fly to Europe this winter, but there are better deals for winter travel to Europe.

How does the deal work? (One ways?)
What are the better off peak awards to Europe?

Basics of United Award Sale
The full terms and conditions of the sale are available here.

My Experience: Cadillac Test Drive for 7,500 Miles

Update 11/1/14: I got the 7,500 miles.

Saturday I went to a Cadillac dealership in La Quinta, California to test drive a Cadillac to earn 7,500 American Airlines miles.

Unfortunately the deal is now dead as View from the Wing reported (and no, I don't have any idea whether your scheduled or completed test drive will earn the miles.)

I'll post my experience anyway because these test drive promos in which you can earn something like miles or a prepaid gift card are common enough.

What was the process?
How long did it take?
Did I have to

7,500 Free American Airlines Miles for 10 Min Cadillac Test Drive

You can get 7,500 American Airlines miles for test driving any new Cadillac, and you might not even have to do the 10 minute test drive.

From the promo page:
Right now, AAdvantage® members can earn 7,500 AAdvantage miles when you test drive any Cadillac* vehicle, including the striking 2015 CTS sedan with available adaptive cruise control and available OnStar 4G LTE with Wi-Fi®**.