They won't have the ability or time to hide most pets.....or their signs, like odors and damage.....

Some rooms had such foul smell that leaving windows open was mandatory.

He said anytime there's an odor, he paints everything with that silver paint and then paints over with regular paint.Has anyone heard of this?

There is NO harm/foul/indecency in renting your units for market value.

The installation will be a slab on grade, and I've read some negative reviews about installation on concrete and specifically basements, and one review of the Allure product had to rip it out after experiencing a chemical odor that wouldn't go away.Is the vinyl plank easy to swap out if you have damage?

Dog pee in each corner making permanent odors that will keep your house unrented.

Why cry foul afterwards?

I know at times there must be an odor blowing your way.

A tenant just moved out and when I did the final walkthrough, there was a pet odor, but nothing too crazy.  

At the time we accepted the counter-offer, the other agent let us know that there had been multiple showings scheduled for that day but the seller wanted to sell quickly rather than for top dollar.At the home inspection, there was a slight odor to this older home, but the roof, HVAC and water heater had all been replaced in the last 3 years.