iTunes accounts are free to have.
The iTunes library is where iTunes stores your music. You can put music in the library from music on your computer or from your CDs. You only need to set up an iTunes account if you wish to purchase items from the iTunes store.
Go to the iTunes store, if they will create a free account then problem solved, if not then try somewhere else
All iTunes accounts are free.
Apple works hard to keep iTunes safe. However there are hackers and phishers out there that will try to take over accounts. If you create a strong password and never share it with anyone, you are reasonably safe.
Yes but they have too usually be from 2 different iTunes accounts..
iTunes accounts are free anyways. Go to apple.com/itunes and download itunes, once installed it will give you the option to set up an account.
The iTunes store sends a receipt to the accounts registered email address.
There is no such thing as an 'app account'. You must go onto iTunes from your computer and sign up for an iTunes account to download or purchase apps from the App Store on your iPod Touch. The iTunes accounts are free, so it isn't anything you don't want.
Yes it can.
Not two, but six
Hacking itunes accounts or accessing them without written consent of the rightful owner is illegal