I guess nobody breeds green tree frogs either huh? Anyway, if they naturally have parasites, a little wouldn't kill them. I can't think of a good euthanizing method for herps either. You are right about the inconvenient CB thing, but what if I kept them, and they bred, could I use the offspring then? I'm not sure what you meant in your second to last statement(sorry, my 13 year old is frying.)
I just thought of this but doesn't anyone use browns? I mean, shouldn't the INVASIVE ones be used? And house geckos are way more common anyway.

Thanks for your thoughts on this subject!