But your main killers; road access, water access, fire hydrants, flood plain, storm sewers, Storm ponds, road surface requirements, etc. 

I an afford to sit on this property as its in the Yosemite AirBnb hot spot and don't need to do anything right away as its in a killer location.

For now I would keep what you got unless a killer deal comes along.

My favorite was a hoarder house full of trash that took me six months to turn around, but it turned into a killer deal that earned me a 600% return.

whats happening though could certainly be a reputation and brand killer. 

Quote from @Matt Barge: Killer deal @Blake Dailey!

Educate the land owner on the potential profit run the numbers and go over the basic proxy and blue prints.Make sure you have a seasoned and qualified Builder/GC because they can be a deal killer with wasted time and inflated material and extended completion dates.

Snakes, killer bees, getting lost.8.  

I've seen some pretty killer terms for foreign national Canadian loans from RBC bank, if they can meet traditional income qualifications.

Vacancy is the biggest killer with AirBnb (or any) rentals.