Meth use in a house I may be interested in

[Joel Brown]

One of the houses I'm looking at came back positive for meth use.  (3.5 / 100 cm2)  3.5 x the limit for normal so not likely a lab but it must have been a user in it. Is this a deal breaker. The clean up will likely be $5K -$7.5K, plus new carpets and HVAC, so the house will be better off when we are done. How much of a discount would persuade you to look at the deal or is it a hard no?  

As I investigate, estimates are 10% of houses sold have greater than the limit of 1 / 100cm2, and as high as 40% of all rentals nationwide have borderline or higher traces of Meth in them. Should it be a test for all houses sold (It can be in spendy houses as well as slums!)  

https://www.scientificamerican.com/article/former-...

Thoughts?