in addition to the disclosure issue, usually need to do do gut renovation since the building materials can absorb the vapors.also check if home is serviced by septic. the waste stream of meth labs are like chemicals from a dry cleaner and can result in groundwater contamination. 

If it is a hydronic boiler they can last even longer because the operating temp is lower, steam is a harsh environment but if it was properly maintained a 30 year old steam boiler wouldn't intimidate me. 

As harsh as it sounds, a lot of agents will not put in 100% effort for a buyer who isn’t locked in with them since they know there is a good chance that work can be completely wasted.  

If chemical reactions aren't working for you, try other chemicals or a different approach.  

I have received a mortgage offer with the wording of covenants and default looking very harsh.

From what I hear from other rental property holders/landlords is harsh in terms of months of missed rent from tenants who’d either lost their jobs or those who’d rather take advantage of the situation.

You should honor the $500 for May, 7 days notice for a $250 rent increase is harsh.

The chemicals in the water destroy the Polybutylene Pipes from the inside going out.  

.: OK, I see my original response came across too harsh.

You can't find a bigger source of first hand experience and harsh truth which is really entertaining.REI is not that complex.