I pointed this out and their response was that it "looked bleached" and "showed that chemicals were used" once under a blacklight...

It's my opinion that you should use a heat treatment and not a chemical treatment as heat treatments are comprehensive and can be guaranteed, and spray treatments do not always kill all bed bugs and can be a waste of money.

I plan to use the old school methods of growing...no pesticides, or chemical fertilizers.

I’m based outside Houston, I bring over 14 years of managerial experience in chemical manufacturing to the table.

If the buyer finds out about it after they bought the house can they take legal action against me even though everything has been cleaned up and there is no mold or chemicals? 

Soil type, adjacent land and what they have on them (spraying chemicals or not).

I'd also be worried about the chemicals that are in the property. 

I want to learn about rental properties as well as fix and flips to maximize my knowledge after graduation of a chemical engineering degree next year. 

Study shows growing broccoli sprouts at home and consuming them daily counteracts carcinogenic effects of chemicals in food / environment.

Only inherent difference is the chemical makeup.