Most of Iowa is in Zone 1, which the EPA states has the "Highest Potential" for radon: Zone 1 counties have a predicted average indoor radon screening level greater than 4 pCi/L (picocuries per liter) (red zones) A basic radon test can be picked up from your local hardware store with results usually only taking a couple of days to come back.

Heating costs go up in winter, as does electric due to the reduced natural light and people being indoors more.

I've seen many garage conversions where having that big roll up door (depending on the style) is actually a bonus because it can open up the living space to a patio or yard and people like that indoor/outdoor feel, especially in So Cal.

We agree that they take the trash out, they don't park in the front yard, they don't put indoor furniture on the front porch, and they don't let any stray animals inside.  

This is a 2400 sq ft 2 king suite cabin loaded with amenities including an indoor heated pool similar to one of mine.  

Yeah id love to see it, the thing is id like to see a no smoking policy indoors in the lease as well, if not would i be able to add to it?

For me, it's akin to the cold and staying indoors in the winter in NY. 

A wild cat has the ability to eat, drink, and defend itself for its entire lifetime, but bring it indoors and feed it for a few weeks and it won't leave because well heck, life is a heck of a lot easier in here with this person doing everything for me.

Is it possible I need to find someone to seal the foundation of our building to ensure they can't get in from outside, and then once the indoor population is isolated try to stamp them out? 

We used to have "Smog Alert" days fairly frequently, when you were supposed to stay indoors as much as possible.