It says:Our information indicates that a squirrel chewed the neutral wire in two, creating an open neutral and unbalanced voltage at your address. 

Any year is a good year, now that being said there is no obvious indication that the housing market will rally in 2019 so just don't over extend yourself if you are doing a flip (if you want to be cautious I guess). 

It does indicate movement, but all buildings move. 

I’ve never seen a for sale sign or any indication that the property was no longer abandoned -The property as a lot is now worth more than the home was.

Zillow can also be a good indicator too, check out the comps right next to the place you're thinking of. 

I also have an unsigned lease that indicates the current amount they are paying, and indicates it is month-to-month.

Never be afraid to set it up like you want it set up, just be aware that may not be preferred for your tenants so you will have to "train" them like @Thomas S. indicates or adapt to find your sweet spot. 

I'm happy to provide data on the strength of the Boulder housing market now, in the past decade, through the last recession, and the positive economic indicators for the future and Happy to provide it for free.

We were up front with everyone about our goals and found that responsiveness tended to be the best indicator as to what we could expect for the whole experience.

The fact they are complaining online might be an indication the property manager dealt with them properly so be sure to ask the manager for their side of the story.7.