Yes but it may disrupt your software and invalidate your warranty
You cannot get all apps for free without jailbreaking an iPod Touch. It is not possible.
jailbreaking the ipod touch is legal. But if you use the tool that gives you all apps free it is illegal.
yes
It makes games and songs and that kind of stuff free.
You can get free apps, free backgrounds, free music, and other cool things.
There are free apps, and as long as you get the apps that are supposed to be free for free, then it is legal. If you get the apps you are supposed to pay for free by jailbreaking the iPod Touch, it is illegal.
yes it is if you do it to coustomize your ipod/iphone and not to download paid for apps for free
It is impossible to get an installer on an iPod Touch without jailbreaking.
It is up to you. No matter what you have on your ipod will become messed up when Jailbreaking...
no
you cant
No.