Your future employment prospects are terribad after Epic. No one will hire you. Then you'll have an entrepreneurial drive. Really do hope that works out... but it's been two years since Epic with not much progress and no sales? Where's the fast track to success? That's where working at Epic gets you - nowhere. Be prepared for a serious case of depression - they use you like a toy and forcibly harass you throughout your employment, and yes even after Epic they will for various reasons (e.g. non compete, negative reviews of Epic, negative publicity of any sort for that matter, etc.).
You travel on the plane most of the time. This isn't too bad until you realize that you'll be coming in late night and have to show up in the office the next morning. If you have multiple customers then you'll be on the road the vast majority of the time.
They take over your private life, and there is no work-life balance. They try to control every little thing you do in your life, but they don't take responsibility when things go south. They expect you to do everything yourself, to which I say no, not a chance. Draw the line.
Did I mention you're basically just ensuring that software is installed correctly? It's like Best Buy's Geek Squad for hospital organizations.