An iTunes gift card puts some credit on your account once that has been used you will need another gift card or bank/credit card to purchase items from the iTunes store.
Once the credit on the card has been used then you will need to pay (or add more credit to your account) for purchases.
Scrolling to the bottom of the page in the App store reveals a Redeem button which is used to redeem an iTunes Gift Card.
There are itunes gift cards that you can buy for others that allow the person to use the money on the card to buy songs for their ipod. For more information go to http://www.giftcards.com.au/itunes/
with a credit card
yes
Either enter a valid credit card or buy a prepaid iTunes card.
Yes ,you can.
The 'iPay' system enables consumers to pay for purchases on iTunes using on-line credit. This makes the system similar to using a credit card, however you can only use this credit on iTunes.
iTunes FreeNo, you don't have to pay to have an iTunes account.
If the firmware update requires you to pay for it (example: 3.0 or 3.1 firmware), then yes, the iTunes gift card can be used to pay for the firmware.
If you have not put a credit card on the itunes then there is no money. Also, you can but an itunes card and then press redeem. That works too!
Yes
You can buy iTunes gift cards at any store that sell them, including WalMart as an example. Then you redeem the gift card to your iTunes account. Next you view the items on the store and when you buy it is automatically setup to use your gift card (store credit) before your credit card or other payment method is used. If you did not have store credit, the system will charge your other payment method, for example Paypal, Click&Buy, Credit Card.