Im almost positive you can get apps too
No. iTunes gift cards and such can only be used for iTunes itself, not other businesses or services.
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
No, you can only use the gift card to purchase products from the Apple store online or in the store.
you don't need an itunes card (you can use one but you don't have to), bit you do have to have an itunes account and a credit card
You can fund an iTunes account with PayPal. Don't forget that you can go to many stores allow you to purchase a re-chargeable credit card. You can use that to fund your iTunes account.
No, you can only redeem an iTunes gift card to one account
No. You can use PayPal and any major credit/debit card, as well as an iTunes Gift Card.
No
no
No.
Yes,you can go onto your account settings for iTunes and then click Edit payment information. You can enter an iTunes card as long as you have the code on the back that's only when you start creating an account when you already have an account you go to itunes and go to redeem and type in your itunes gift card code
no but u can use it to buy a itunes card in store :D