To get your free $100 Amazon.com credit simply add your choice of any PLAY:5 or PLAY:3 wireless music player to your Amazon.com Shopping Cart. Check your account 33 days after your item ships to see the $100 Amazon.com promotional credit. The promotional credit must be used by its expiration date of 4/30/2013. You can use this promotional credit to purchase any items shipped and sold by Amazon.com.
The free $100 Amazon.com promotional credit offer is good through 11:59 p.m. PST on November 26, 2012, while supplies last. Qualifying products must be purchased from Amazon.com; does not include purchases from other sellers on the Amazon.com website.
Get additional 3% cash back if you use Amazon Visa credit card. I bought a Play 5 with bridge. Total of $448.00 with FS and no tax. Minus $100 promotion credit with 3% cash back, final price is $334.56, total saving of $113.44, That's equal to 25.3% saving.