eBay is offering 20% off iTunes gift cards for 72 hours during this sale, here.

There are also still discounted gas gift cards available, as posted here.

When you enroll in eBucks, you will earn 2% on most eBay purchases (or more via targeted offers.)

There is a targeted 4x eBuck promotion available right now, that if you were targeted for makes buying these gift cards an even better deal! You can log in here to see if you were targeted.

20% Off iTunes Gift Cards 

Who’s eligible? 
Only invited, registered eBay Bucks participants who receive the promotional offer from eBay in My Messages are eligible. Sorry, no forwarding—the offer is not transferable.

Promotion details 
The Promotion starts at 8:00AM PT on October 12, 2015, and ends at 11:59PM PT on October 13, 2015. Extra eBay Bucks can only be earned on every single item purchased that meets the minimum purchase requirement specified in the offer. Valid on multiple qualifying purchases made within the promotion time period. In order to qualify for the offer, you must click the email to activate.

*Qualifying purchase excludes all items in the following categories: Classifieds, Business & Industrial, Real Estate, eBay Gift Cards (within the Gift Cards & Coupons category), Bullion (within the Coins & Paper category), and eBay Motors.

Rewards are capped at $100 per transaction and $500 per Earn Period. Purchases must be completed during the Promotion period and paid for with PayPal before the Promotion ends. eBay reserves the right to cancel, amend, or revoke the Promotion at any time. Other restrictions apply. See Terms & Conditions for details.

Each iTunes code is redeemable for apps, games, music, movies, TV shows and more on the iTunes Store, App Store, iBooks Store, and the Mac App Store. Recipients can access their content on an iPhone, iPad, or iPod, and watch or listen on a computer – Mac or PC.