You are on the right track!

*Tracking my time and the items from "Money for Tomorrow".Thank you for all and any assistance

If I add another property do I need to track this property separately or can I track them cumulatively?

then you're on the right track in understanding how hard it is.The second thing is that you can skip all the headaches of becoming a landlord and still get the cash flow, appreciation, and tax benefits by investing in passive real estate syndications.

What is their track record, experience?

Put it into stock investments, and know that you are on track to be a millionaire several times over if you can sustain this kind of accumulation. 2) Serial house-hack.

Yardi tracks vacancy and asking rents at each property over 50 units on a monthly, quarterly and annual basis.

Keep an excel spreadsheet and track each lender.  

In the interim year 1/2, I spent countless hours trying to track the contractor down to do the work.

Also getting inside such a group can fast track your business 10 times.