Sorry, you can't use an Visa gift card on iTunes. However, you can use your Visa gift card to buy an iTunes gift card Source: http://blog.giftcardrescue.com/itunes-gift-card-questions-answers
NO
no you need to set up an account before you can use a gift card
you can purchase an iTunes gift card from mtcgame. They have many regions, and they have the best prices
The iTunes app card is only for Apps for the iPhone or iPod Touch.Read more: What_is_the_difference_between_an_iTunes_card_and_an_iTunes_apps_card
yes
no but u can use it to buy a itunes card in store :D
In the iTunes or App Store apps there is a Redeem button at the bottom of the page which is used to add an iTunes gift card.
No. You can use PayPal and any major credit/debit card, as well as an iTunes Gift Card.
iTunes gift cards are only valid at the iTunes store online. The Apple stores use a separate system.
Nope! All you do is log in, go to the itunes homepage and click "redeem". There you type in the code that you have scratched off on the back of your itunes gift card.
Yes, and you can buy an iTunes gift card from mtcgame. They have the best prices and many different regions