There are topics started in these forums that I won't respond to, because the poster's inability to communicate makes me feel like pouring myself out for them is a complete waste of my time.  

Its more common than you would imagine.

I am trying to figure out what an acceptable temperature for hot water to pour out of the faucet or shower. 

is that I've imagined the culture to be cut-throat and uber-competitive.

And, as you can imagine, there are not really "Comps" for this kind of property!) 

Imagine the perceived risk warrants a return of 12% on my investment, assuming a full cash deal.

The requirements are quite onerous (annual housing inspections, lead paint inspections, etc.) so hard to imagine the State imposing this on all LLs.

I'd probably double it (https://www.biggerpockets.com/renewsblog/2015/10/1...).You mentioned that it's a duplex but since you didn't include anything in the numbers I imagine the tenants are fully responsible for all utilities and shared lawn care, right?

I have to imagine a ton of hours spent on it!?

After the purchase, I imagine I will be spending lots of time supervising improvements to it for a good while, until I can stabilize the whole thing.