I second everything @Sandor Lau said above, communication and property care has been excellent. 

Finding handymen is NEVER easy:( Often, you have to use trial & error method and weed through several before finding one that is acceptably (never pefect) reliable, quality, will fix warranty issues and has decent prices.Try visiting a Home Depot 6-8am on a Saturday.

Here is what one of the new people I coach from Socal did with a property in Phoenix
I helped him find. He has taken his training seriously. It’s a Subto (Subject To) that I helped him buy “off market” and he chose t...

They've been avoidant, unwillingly to communicate with us/disclose their names in the beginning, and hid whenever they saw my mom.

What is a good system to create around standardizing rent increases where applicable / best way to communicate it to the tenants? 

2.How can I better evaluate and communicate an investor’s return on investment (ROI)?

Keep an eye on those delinquency rates and ensure that the property manager is proactive in rent collection.Maintaining open lines of communication with property managers is also part of the process.

We communicate almost everyday.

., privileged communication) and Youngstowner (where omerta is still a thing), I sometimes learn things I cannot discuss.

Upon contacting Rent to Retirement, we were told by the rep that Delta "cut off" communication with Rent to Retirement and if we choose to continue with Delta Build, we will have to resolve issues with them ourselves as Rent to Retirement can no longer speak on our behalf.