So what kind of discount can you expect? Well typically daily deals are 20-90 percent off retail and always offer free shipping. Here's a link to check out to take advantage of the daily deal at 11am (est) on June 22nd. Remember the daily deal is like a woot, once they sell out that's it: Xbox 12 Month Gold Subscription Daily Deal
Here are some current eBay auctions for Xbox 12 month gold subscription cards so you can compare.