I assume you'll respond that she's biased because she believes her uncle defrauded her and her brother out of their share of her grandfather's estate but on the other hand her uncle has a considerable history of defrauding people, and he has never sued her for liable or slander.In addition, you might read the book The Dangerous Case of Donald Trump : 27 psychiatrists and mental health experts assess a presidentHere's an abstract :"Since the start of Donald Trump's presidential run, one question has quietly but urgently permeated the observations of concerned citizens: What is wrong with him?

Even if the specific booking is not from Airbnb, the entitlement is permeating the market in general.I do like how pretty much all of the OTA's offer trip insurance. 

Wage growth is still running at over 4%, above core inflation.This permeates to all workers, including the construction trades, and thus, to the price/cost of homes.

If they were smoking outside, the odor would quickly dissipate and would not permeate the building envelope and infuse into the other units. 

The smell of cat permeated the house and my mother said we had no mice in the house that year.Does the fact this mouse was found dead make a difference?

Additionally, all odors and smells now permeate the entire house, for good or for bad, and the same goes for moisture, grease, etc.

In 18-months the damage will be somewhat limited and {hopefully} will not have had the opportunity to permeate the subfloor and structure {though that is a possibility} - you may just get away with a lots of cleaning and replacing finish flooring (like carpets).The longer they stay, the more expensive the repairs will be at move out.

In-ground tanks can leak for years and years and no one notices until lots of oil has permeated the soil.

You have damage all throughout the kitchen; cabinets, floor, wall, behind the wall, ceiling, can't use the appliances, not to mention the smell of smoke that's permeated throughout. 

The problem is that I think the smoke has permeated the HVAC duct work as well.