Obscene amounts of money and time is poured into researching the precise few feet where said tower will have the greatest/strongest spectrum reach.

What I mean by that is if you own a home (regardless of the leverage), and it cashflows (after all your precise calculations) where is the trouble?  

Bruce, thank you for sharing that chart.  

omg these are California prices. thanks for the chart.

And we're talking a reduction of almost 2% of the loan potentially for the interest optimization-although the second makes it hard to calculate precisely. 

I have multiple rentals.I use QBO for the auto import, the ease to make PNL graphs and charts, and to be able to analyze what my expenses are across time, and where I can cut costs and make more money.

However, the article mentions in paragraph 7 about using Excel instead to create charts and graphs.

Some of the more interesting charts below but worth reviewing the article when you have a moment. 

Yeah, there are some newbs out there bumbling through this model, but there are others who are operating this with just as much precision and integrity as "traditional" rental landlords.

Yes, that is precisely right.