No, it doesn't go up and down by itself - yes, I can push it up and down - no, I didn't see this cutter cutting. I don't think he'd fib to me, we're a pretty small town and that would be bad for his sign business. As far as the blade in the holder, I think so, it looks right. Thank you for your help - I sent an e-mail to USCutter as well so hopefully they can help.