welcome here op and all the other xda guys, things on ppcg are way more relaxed and tons less bs posts/questions cause most of our users search first or read the thread before asking.
brack21 did you change device profile in settings to epic 4g, and what build is cooked in or what build you using? here is list of options (builds) to try:
Downloads - android-wifi-tether - Wireless Tether for Root Users - Google Project Hosting