I-Tunes Gift Card Discounts at Best Buy This post may contain affiliate links. Please see the full disclosure policy here. Posted on December 16, 2011 Written by Mary Leave a Comment Best Buy is offering discounts on I-Tunes Gift cards today. Grab a $50 I-Tunes card for $42.50! Grab a $100 i-tunes card for $85! Many options to choose from. I know many of my nieces & nephews had this on their list.