As advice to all.... you can absolutely call anyone out who has not acted in good faith, participated in fraudulent activity or scams, knowingly caused financial or structural harm without recompense or the like.

Talk about harming capitalism.

You did have some seemingly contradictory info in your post, which was pointed out, not out of rudeness but because it was relevent to the thread...no harm done.

is there toxic substances on the property?

So at the time you inquired about his service technically you could not offer him the job as you didn't own the property.Either way, there is no harm done to him and I don't think he has anything to do to retaliate.

Inorganic fertilizers do not make a lawn toxic or harmful for you or your children.

If they are willing to shoot you now they absolutely will shoot you later.Even people you never think would harm you may be very different if using alcohol or drugs.

While there is lots of "anectdotal evidence" there is virtually NO scientific research (peer-reviewed verifiable) showing that Stachybotrys has harmed humans.  

It, downtown Vancouver, and, to a lesser extent, Calgary stand ready to bring the most harm to homeowners ... housing prices in parts of Vancouver are over 11 times household income.I do disagree with you on the 30 year fixed rate mortgage.  

Of course I could hire somebody else to do that and pay for their work from other companies that I own, but I don't want to do something that could possibly harm my license.I'm yet to hear back from RE investigator Tim Konutson from the department of commerce, I left him a message on Tuesday and asked him how was it different for me to pay for leads myself and pay to people who find them than buying leads on line from zillow or trulia or homeadvisor?