Not in my experience. I'm a Prime customer also, I do a lot of business with them annually, have canceled I don't know how many orders over the years when I found a better price. I place Subscribe-and-Save orders for the 15% off and cancel the subscription (as do many people) and they've never...
I don't know. The exact wording of the email doesn't specify whether it's a "preorder only" promo:
Thank you for purchasing from Amazon.com.
Your recent order xxxxxx entitles you to a promotional credit which we have added to your account. This credit can be applied to your next...
So Amazon just sent me a $20 promotional credit for my Zelda purchase "toward a qualifying 3DS game until 9/30/11". I didn't even know they were offering a promo. Did anyone know? I mean, I'm not complaining, but did they even mention this at all?
Went to the South Burlington, VT KMart today in the hopes of snagging a copy of Ocarina with the $15 coupon. Checked the case, saw no copies of Ocarina, nor did I even see a spot for it near the other 3DS games. Waited around the dept for 10 minutes, finally some kid comes out the swinging...