Red Green: We never heard of anyone getting rich during a *mold* rush. Harold Green: Well, mold has its values, too, because they use it to make things like bread and penicillin. Mold is not a bad thing. Red Green: Well, would you be willing to pay 400 bucks an ounce for it, Harold? If not, then it's a bad thing, because that's how much we spent to dig the gold mine.