r/jailbreak has jailbreaking guides, FAQs, etc. It was started by chpwn and comex, and Cydia people pay attention to it, so it's reasonably reliable and up-to-date.
GuideMyJailbreak is a jailbreak website (somewhat outdated) that walks you through a few reasons to jailbreak, some misconceptions you may have, how to jailbreak, and how to use your new jailbroken device.
AppletvJailbreakGuide step by step jailbreak guide.
You can read lots of tutorials on iClarified. Also have a look on the ground rules concerning tutorials.
Re-Provisioning (Unlocking CDMA)
Check also the link section.