She's noted/complained about 2 of the far bedrooms floors 'sloping' and seems to be with the seasons, worse in the winter than in the summer, where they seemingly go back to normal. 

I was just thinking, as a realtor, I will sometimes just drive through neighborhoods that I like and sometimes, I will see a Pods container or a moving truck, or people working - If I see that, I will normally go knock on the door and introduce myself to see if they are making a move or not.

But there's no other cars outside so who could it be?

If they aren't actually filed, there is no way to recoup money through the normal mechanisms. 

Making this particular bedroom bigger has three benefits: 1) bigger primary as I add ~100 sqft, 2) no need to change anything else except for face lift, 3) the garage is exactly below this bedroom and it's a single car garage, with this addition, it'll be two car tandem garage. 

Youtube is great - you can learn many different things from what neighborhoods look like, how to fix a part on car, make a certain type of dish/meal, understand a concept..etc

City staff normally has a good expertise on these issues and are helpful in my experience.

Below is a general description of the properties they are willing and able to rent:Type: Single-familyConfiguration: 3+ bedrooms, 2+ baths, 2+ car garages, 1,100 to 2,500 SF, one or two stories, lot size 3,000 SF to 7,000 SF.Rent range: $1,900/Mo to $2,400/MoLocation: See the map below for the general areasToday, these properties cost between $350,000 and $475,000.

They are normal to think about, but these kind of questions are going to give you limited beliefs and prevent you from moving forward on a potentially great property.

I think it's normal for people to try to sell you on something as there is not really a way to escape this.