No, only credit cards and gift cards.
The iTunes store only takes credit cards and iTunes gift cards.
Actually you don'tif you have a gift card you dont need your credit card
You can buy iTunes credit card at your local WHSmith / Whitcoulls and some service stations. You can also buy iTunes credit card at your local Costco.
There is no subscription on iTunes. You can buy individual items with a credit card, paypal, or iTunes gift cards.
iTunes cards or debit/credit card if that is what you mean
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.
No. Besides credit cards, Netflix also accepts payments from PayPal. If you sign up for an account through Apple TV, it goes through the iTunes billing and payment system, which you can preload with gift cards purchased from a store.
You can create an iTunes account without inputting card details. That's why they sell iTunes cards.
Prepaid creidt cards are safer than regular credit cards. They work much like a debit card so that when the money is exhausted on the card, the card will be rejected.
It is located on the back of your credit card, in some and on the front in some credit cards. It contains three digits.
At least some iTunes gift cards has expiration dates. If you have a physical or electronical gift card bought from Apple or an Apple partner, it should be marked with expiration date if applicable. However, once the gift card has been redeemed in iTunes, there is also a question if the actual credits also have an expiration date. If so, you will see the credit expiration date on the confirmation you get after redeeming your code.