Even with these conservative assumptions, your DCR would still be mighty healthy at over 4 with an eye popping 23.5 CAP.  

This is a healthy and sustainable growth rate.

Whether it is for rental plays that cash flow, or flips for healthy margins, Nashville has em all. 

As long as the market has overall healthy numbers focus on the team.

I also call my duplexes chickens, groom your chickens, keep them healthy as they grow they produce bigger and bigger eggs.  

It's only one of three air logistics centers in the world, so we have a pretty healthy renting population for both single and multi-family. 

Note that I'd be shipping the AC filters directly to their door.I'm trying to have a healthy balance of not bothering the tenant although its to keep the home operating effectively vs. keeping an eye on my property. 

If you have to liquidate your stocks to maintain your rental, there is a very high opportunity cost of losing the compounding of your returns over the life of your investment.This is where @Paul Vail keeps reiterating the point of being conservative with a healthy cash cushion.

And don’t get me started off the young healthy lazy ones on sec 8.

Here's a healthy discussion of Pace Morby specifically.https://www.biggerpockets.com/forums/79/topics/1001612-pace-morby-mentorship