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?
it is not possible to jailbreak your ipos touch 1g/2g or iphone without the use of a combuter because firmwares and the software required to jailbreak are not available to download of it and if you try to do it on the safari it will come up with a message saying you can't
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.
Yes you can. there is a new jailbreak out called "spirit". Google it "spirit jailbreak"