Unless Apple regularly sell giftcards to retailers at significant discount, there's more than 50-10% markup.
My sole means of paying for iTunes purchases is via giftcards because they can always be obtained for a discount of between 20-25% if you look. A retailer here was recently offering them at buy 2 get 1 free, or 33% discount.
My sole means of paying for iTunes purchases is via giftcards because they can always be obtained for a discount of between 20-25% if you look. A retailer here was recently offering them at buy 2 get 1 free, or 33% discount.