you cant. yet.
Sn0wbreeze. Google. :D
No, but even if you did jailbreak it, a jailbreaked iPhone would quickly be spotted by AT and T, it is ok to jailbreak an iTouch cause AT and T won't spot it, but don't blame me if your iTouch breaks.
Yes, using Sn0wbreeze. Just a google search will take you to the site.
If you have the iPod Touch 3G or 4G (current one), an iPhone 4 (not the iPhone 4S) or iPhone 3GS, or the original iPad (Not the iPad 2) then use redsn0w 0.9.10 to jailbreak. If you have an iPad 2 or, iPhone 4S, you cannot jailbreak it on iOS 5.0.1 yet
Using Sn0wbreeze. A google search away from free apps :D
Well I don't know if you know this but if you don't you need to go to iphoneate then put jailbrake me then they'll tell you what you have to do
It is okay to jailbreak your iPhone 3g. The only downside to jailbreaking your iPhone is that you will loose your Apple warranty.
No
You need to download redsn0w to jailbreak your device.
Yes. The iPhone 3G can run all iOS versions up to 4.2.1.
you cant Its impossible
yes