You only need one iTunes per computer unless you have multiple operating systems in which case you need one on each.
if not mistaken up to 5
1 billion
1
I'm pretty sure you can add as many as you want
I think as much as you want....... But not all at the same time of course :P
yep it will sync no matter how few/many iPods you have
ipods can only sync with one computer at a time.
Depends who the child is. Around $40/$50. or, if they like music, an iTunes card. Many teenagers have iPods and enjoy the use of iTunes cards.
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.
Cash can be used to purchase an iTunes gift card which are available from many retailers. You can then add the value of your gift card to your iTunes account to buy songs from iTunes.
Many people around the world have ipods and buy ipods because it's the best music player around.
You can use your itunes library to sync it towards as many iPods as you wish however you can only sync each iPod with one library.
lots