Not At All...... But updating your ipod will remove the jailbreak
no
Either restor or update it but you will loose averthing on it including jailbreak
Jailbreaking is fine, you can do a complete restore which will remove a jailbreak if you need to send it to apple. Don't worry. It's fine
Upgrading an iPhone will update the firmware (the iOS) and will therefore remove the jailbreak. If you wish to stay jailbroken, it is highly recommended to not update until news of a new jailbreak arrives for the upgrade.
If you update your iPhone/iPod, you will remove the jailbreak, then you would have to wait until the jailbreaking websites invent a jailbreak for the new ios, but why update if you jailbroke it?
Yes but you can restore it and remove the jailbreak, and the warranty will still be on.
No. Updating the iPad's firmware will remove any jailbreak that has been installed.
You do not Jailbreak iTunes; you jailbreak iPods and iPhones.
You jailbreak the firmware.
You have to jailbreak your device and then use makeitmine to remove the banner thing
Updating the iPod Touch software erases the jailbreak. You can update, but it will erase your jailbreak.