Failed attempt? Tell us about your process and methods. Your issue could be from one simple oversight. Let us help you!
I once read a long thread about someone giving up. After about 30 posts in the thread it was disclosed that he was using threaded mild steel for his process plumbing!
If you have trouble selling locally and decide to part things out, I'd love to snag that control panel. I'd take the thermostat valves, pilots, etc too. (That said, I'm with the others hoping you'll stick it out.)
I would gladly come to a brew day with you to lend a hand and help in figuring out how you can improve your results or you can check out my process. Every time I brew I end mad that I did something wrong and the beer usually comes out just fine. Trial and error can be daunting in this hobby but once you get your process down it is just change time, temp, and amounts.