As for self-growth in human relations and productivity, The 7 Habits of Highly Effective People by Stephen Covey is excellent.

If you have good to excellent credit that is a bit high in closing costs. 

In our experience, the #1 mistake landlords make when selecting a Property Management Company (PMC) is ASSUMING instead of CONFIRMING.

@Shawn Mcenteer excellent answer buddy.

There's a reasonable chance that I could qualify for a $1 million conventional home loan (based on my income, debt-to-income ratio and excellent credit score) and I could ask him if he'd be willing to wait for the 45-60 day close on the conventional loan (which he may be ok with, if he's selling to me); however, I only have about $30k to put down (not the $200k+ required for 20% down plus closing costs). 

They laughed their a**es off at the inspectors office when I mentioned the address.Love the specifics of the area you mention, the stories you tell and I can imagine the stories you haven't :) .I think you'll agree though, with a "recent" conversion unless there is documentation of being a legal (somehow) two family, workarounds are just that, and will leave him vulnerable to all kinds of selective enforcement.

Do you have any project management templates in excel or any other tool which could help?

If it's the standard TREC 1-4, check the appraisal waiver and 3rd party financing addendum and what was selected. 

you can plug in the numbers to the bp calculator - i use the bp calculator and my excel models to be sureAssumptions as an exampleassume $650/mo rent for each unitassume 8.333% vacancy rate (1 month)assume 40% operating expenses (kinda high but cap ex can be pretty stout)assume a 5% cap rate Cap rates are important to know with these type properties. 

Excel.