Yeah after reading this I think he ripped you off and took advantage of your medical status as well. Mold? You almost have to be a noob to figure out how to get that. Mites I can see, but he should have been more on his game... or maybe he was.
Thats pretty sad either way, and you gave him money too. I think the time is probably past to demand to see or compare things, but that really does suck.