Welcome to the forum Hanoverphist!
There is a lot of information here so Browse around, use the search, and if you can not find an answer, post the question and, Do share if you have an answer to someone's question, or tip to share.
Please review the Forum rules
The Tips and Tricks thread (***first post in thread***)
has some helpful information, but some of it may no longer apply since the 2.2 update.
Some other information that may be helpful: Common Issues and Problems
There is a list of Common how to questions
on the EVO forum, that pretty much applies to the Epic as well (blinking light bulb).
andLI Battery FAQs Android terminology
If you are new to Android system.