I have no idea how the economics work out, but perhaps you could attend Brickcon as a vendor, and then display and sell significant parts of your MOC collection? You'd probably need to figure out a way to take credit cards ...
I counted them in the official instructions - there are definitely 10 of them. I literally flipped through all the pages of the PDF and counted them up to 10. It seems that you must have assembled incorrectly or lost them in disassembly.