Best Buy has a deal right now where you can buy a $50 Itunes gift card for just $40 right now, saving yourself 20%. Right now, it is backordered at Bestbuy.com and will take 1-2 weeks to ship according to their website. However, you should be able to order the item to pick up in store and it should be available earlier.
Go HERE to order your iTunes gift card from Bestbuy.com
Thanks Bargain Jargon!