No, you cant. You can only jailbreak I-Pod Touch and I-Phone and I-Pod Nano 1st generation!
Go to green poison or red poison there jailbreak sights
Yes. It will cost less if you jailbreak it. Never do THAT on e-bay.
Yes. On your iPod 4g, go on Safari and search for Jailbreak sites.
Yes.
i dont know but u buy them ^^^ No you don't just go to jailbreakme.com Jailbreaking is a free service. If you have every had to pay for a jailbreak, you have been scammed.
Cant, Just jailbreak. Nothing will be different but cydia will be installed.
5 mega pixels for the Ipod touch 4g.
yes so you can facetime
probably, why would you jailbreak it in the first place ? it isn't an iphone, so no need to do that .
not yet but there will be soon 5/10/10
If you have 3.1.2 firm ware: http://www.ithinkdiff.com/jailbreak-ipod-touch-os-3-1-2-with-blackra1n/