You could be right, and mine might be the most desirable because of its quality and walkability to an elementary, middle, and high school (all schools that I attended while growing up). 

But I get it if its your burning desire to do this and I have given you the contrarian view points and the book has given you safety measures as well.. then go for and I do wish you the best of luck.. of course some of these folks will do fine but a big number get hammered .. the question is do you want to risk it.  

They may make a property more desirable but not more profitable.Your target market, I think, would be higher end home owners.Of course, marketing to flippers isn't necessarily bad but probably wouldn't fit in the 80/20 rule.

My Mother owns a single-unit home in East LA, in a desirable neighborhood, that she inherited 8 years ago.

I don’t have the time (or desire) to shop around like that.

They generally have no desire to move and may be motivated to spend some of their own money to update their home.

Single story most likely will be more desirable than 2 story for most renters, regardless of age if your property is entry level.  

I can see the desire to pull funds out of traditional into one's pocket or into a Roth. 

OK so now we get into audiences, and more specifically, targeting the ideal audience.Once you figure out how to target that ideal audience, now you have to figure out your message to that specific audience group.So extract their pains and desired situation and craft a message that COMPLETELY resonates with them.The better job you do the better success you have.Now ...before you even start... remember what I said.

What is the typical person like; what do they desire in a housing market?