Why wouldn't you just install 1 of these units in units 2 and 3, and they buy what you want for your personal use?

Like @Brian Burke said there are many different ways cash flow can be handled and waterfalls structured.To keep the same example but for a 9% cash on cash return:$100,000 starting capital account balance$8,000 preferred return accrual (return on capital)$1,000 excess cash (return of capital)($9,000) total distribution (preferred return distribution+excess cash)$99,000 ending capital account balance

Monthly joint income is 7X the rent and one credit score is 630 another person is: 712.

My only issue is the owner doesnt want to share pictures of the inside of the home due to their own personal feelings about how the house " looks" wants to sell as is inlcuding leaving everything in the house.

I use and outside company to screen and it's typically only $45 for me per person and I ask the applicant to pay the fee.

Does anyone have recommendations for an STR on-call service (not full property management), which will handle basic guest communication during their stay and handle organizing repairs (i.e. calling a plumber, HVAC, etc. ... not actually doing repairs themselves)?

I also have a dedicated LLC that I have not really used much in terms of changing my contracts to use the comapany name instead of my personal name.

I'm gonna tag @Elise Bickel Tauber in this post as she's definitely the right person for you to get in touch with in terms of investing in the Pittsburgh market - smart move by the way. 

Personally I wouldn't max it out.

Also - I am a very analytical person; scientist by profession.