Run, don't walk, and register your American Express card (every one you have including authorized users) HERE. Then, on Saturday the 29th, use your card to make three purchases of at least $10 at a local small business and American Express will give you a $10 statement credit for each purchase. You can do that three times for each of your cards. That's $30 in free spending per Amex card!
Which businesses qualify? Amex provides a useful MAP of qualifying businesses. Mrs. Points Ninja and I will be restocking our wine cellar at our local bottle shop. Thanks Amex!
UPDATE: In my experience, statement credits post within a couple of days of the purchase. For future reference, the Ts&Cs for the offer are: