@Vaughn K. Much thanks again for your ideas Vaughn; very pragmatic. Regarding South Hill; my thinking is only that it will (I'm generalizing here) be easier to find tenants on a more consistent basis and hopefully higher quality tenants. I'm just going off the worst property in the best neighborhood mantra. My duplex, which I was so fortunate to be able to buy when I did, is in Bellingham in a more desirable part of town; not upscale just desirable in terms location. This has served me well thus far in that getting tenants has never been an issue. But your point of view does make sense to me; West Central, as you mentioned, seems positioned to undergo a drastic change at some point with Kendall Yards being only a few blocks away. To answer your question, yes I'd live wherever if the numbers looked good and the neighborhood was good enough, even if it wasn't my ideal.
Regarding seller financing; I will be researching that. Certainly hadn't thought of some of the perspectives you described above.
My impression is that you have quite a bit of experience, so thank you again for your feedback.
Jesse