No, but some apps can be hidden via Settings>General>Restrictions>Vwalah! You can hide all your apps if you want by jailbreaking your iPod and downloading SBsettings
No
Yes. It delete's all of your stuff as in songs, apps, and video's.
You cannot get all apps for free without jailbreaking an iPod Touch. It is not possible.
Your iPod will not delete apps on its own. You must delete the apps yourself.
jailbreaking the ipod touch is legal. But if you use the tool that gives you all apps free it is illegal.
you are a jackass
yes
all your current apps will stay the same after jailbreaking.
Sometimes depends if the apps that you install have bugs
when you restore an ipod it doesn't delete your songs or apps but it will delete your high scores from the last time you sync your ipod.
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.