I presume the videos won't get me much more informed than I am now, but I will check.

These number also presume you are leveraging and not paying all cash.

I have not looked beneath the carpet yet but presume concrete continues.

I will be writing a forum post on this today also.One thing to then consider in a cooling/normalizing market (by the time you subdivide and build the market could be hot again but presume normalized but plan for 5% reduction) is the general appetite of smaller family homes is greater than larger homes. meaning more buyers for more affordable housing that the no# of buyers for larger and more expensive homes.

Presuming you know who the owner is do a "Skip Trace" Google that or something like people finder.

You can always take it over after a year when you'd have a record of (presumably) how the property *should* perform.

Opening up that housing presumably adds rental inventory, essentially, but that effect is already priced in.There are a LOT of rentals, but there are a LOT of renters. 2/3 of the area's inhabitants are renters, the inverse of the national ratio.

Fortunately for you some people bid blindly and will unknowingly bid on junk presuming someone will redeem and they get their interest. 

The deed not being in your name for the (presumably) owner-occupant's bank/title company when they run a title search.  

Generally speaking; ANY property acquired during marriage, however-so titled, is presumed to be marital in the latter.