Do get the building treated.Also, have the building inspected to help you uncover where the damage is.  

A simple screening would have uncovered previous felonies, crappy credit, bad job history, no Landlord references, etc.

Again, hence why BiggerPockets is so big.In the long run, you rinse and repeat this process and you will not only become a local expert, you will uncover deals at a rate that exceeds the folks looking for the easy "secrets" and expect everything to be handed to them pre-packaged with a bow on top.Are you going to make mistakes!?

Once you the buyer have a chance to uncover the rest of the story, only then do you have a peek at all the information.  

So as others have mentioned, the water company may give you a break on the bill and reiterate to your PM to notify you as soon as she uncovers a problem but if it was just a matter of swapping a flapper and it turned into a black swan event, well, just got to suck this one up.

Pools do not contribute to impervious cover but uncovered decks and stairs that have room for drainage through them (a typical wood deck, for example) count 1/2 the sf. 

You cannot expect them to always have performed a title search, or uncovered back taxes owed, or HOA fees going back for years, etc.

What you want to learn: I’m interested in learning more about the particularities of the Denver market – I’m uncovering quite a lot of them!

The sellers did not disclose these restrictions and the Title Company did not uncover them.

Doing this will uncover the opportunity costs of holding the asset versus selling short term. (2) Eluding to the above emerging market mention, this is often the cycle that's safest to maximize in emerging markets.