I've invested....

Your an IDIOT . Just like that . And being here to answer questions isn't sticking with your project , it's just protecting it till the ride is over and folks get left with bags of DUST .
Insults are not necessary here. People need to learn on their own mistakes. We all gone through that and we still doing the same mistakes, sometimes, right? Anyway design looks ok, but again quality matters (speaking in a matter of usability).