I Have a lot of questions, maybe you can help!!

[jaileer]

I did the same thing and wiped all my apps. but once I was comfortable with what I was doing, i used my nandroid backup to go back to stock, downloaded titanium backup, backed up my apps properly, and reflashed.

Here are step-by-step instructions on how to properly flash cyanogenmod:

HTC Evo 4G: Full Update Guide - CyanogenMod Wiki