No the iTunes gift card gives you money on your account you don't get billed it just takes the money that you bought stuff with that the gift card gives you
When you go in on the itunes store it should say at the top how much you have left on the itunes gift card. you spend it by buying stuff(songs, videos, etc.) and the ammount should be deducted from your gift card.
So that you can buy stuff from the iTunes store to add to your iPod and to be able to sync your iPod to iTunes. Hope this helps!
For their true rock stuff from the 70's you can buy them either online (ebay) or at a music store. For their 80's stuff you can buy it on Itunes, online (ebay), or a music store or Wal-Mart. For their 90's stuff- present you can buy them online, Itunes, or a music store.
No. iTunes gift cards and such can only be used for iTunes itself, not other businesses or services.
By buying stuff with it.
assuming you mean the iTunes store, it is mostly because the record/film companies that own the right to the won't let iTunes resell them
You buy an iTunes card with £15, £25 or £50 credit on and redeem it to top up your iTunes store account and then buy stuff from there. You have to have an iTunes account though.
You go on itunes store and click the little house on the middle top of the screen. Then you look at the right and click Redeem. Lastly put in the number on the back of your gift card. You hve to scratch the thing to get to the numbers.
You can observe the customers and employees are doing or buying and stuff
Try iTunes Access (http://www.itunesaccess.com). They can provide you a US iTUnes account and prepaid credit so you can buy stuff from the USA iTunes store no matter where you live.
iTunes is a media player with a online store. It's content is supposed to cost, but is affordable for most people. Many podcasts are free.