You don't!
i don't think that you need to purchase itune gift card to get credit in itune account try mtcgame have good price in gift card
no.
no there is not
use itune
How to use itune prepaid card to download songs on ipod shuffle?
About $15.00
iTune
Yes
you can purchase itune gift card from mtcgame site have good price and when redeem gift card give you credit in itune account try it
One Time
usb itune
It is.