You have to do the soul searching yourself.

My dad, retired, bless his soul, still helps me with my houses.  

So yes  you need to run calcs on it as well as do some soul searching.  

You'll have to do some of this soul searching and contemplation on your own.Partners are a great means by which to get things started or spread out risk, but for me personally I want to own all of my properties in my own name free and clear.

If your loan originator is willing to do it, you in turn must do your part by never revealing to a soul what interest rate you got and who gave it to you in the same sentence, or it'll hurt your LO's reputation. 

The home inspector couldn’t believe that the building was in such good shape, his exact words were the last couple of multi-units he inspected for purchase needed to be condemned and had no soul.

I want to eventually leave my 9-5 job (everyday sucks a little more of my soul out) and I am looking for some guidelines or a good book on how to develop a plan to achieve this in the next few years. 

If you trust in Yahweh with all your heart, and lean not on your understanding, if you know Him in all your ways, He’ll make your paths straight and there is nothing you can’t do.”I’ve done this with both of my children since they were born.It wasn’t until recently that I knew these words had taken root deep within their souls.

I am not primarily motivated by money either--I would not work at a soul-sucking job solely because it paid a good wage. 

Take good pics of your unit and make sure you watermark them so that scammers don't steal them and try to defraud some poor soul.