Later if you plan to scale your portfolio you may decide you want PM services.  

Given the potential conflict of interest, I'm thinking of switching management services  to someone impartial when the warranty period expires.  

I guess I can either invest in more to attract the service, but then again would need the service to invest in more since I'm not there.

Keep in mind that interest rates appear to be rising, if your rate resets in 5 or 10, consider that an increase in a few percentage points may do to your debt service.  

If she hasn't joined the AF yet, what's stopping her from joining now or perhaps joining another branch of the service?

This is so you don't have to go hunting for an inspector, real estate agent, photographer, etc...http://ibuypoopyhouses.com/2018/04/23/who-do-the-pros-use-for-services

We would approach the tenants saying, “we are ‘property management services, LLC.’”

Here’s a link to the Rules and Terms of Service for our site.

I will be using EDDM through the postal service and start small, but stick with the same routes over the next 6-12 months.

(k) to neither hold not attempt to hold the Landlord or Landlord's agents, employees, or insurance companies liable for any injury, loss or damage to persons or property arising from any unknown cause, or arising from fire, floods, riots, governmental actions, acts of God, terrorism, interruption of utility services, or from the defect of the Property not called to the attention of the Landlord by Tenant in writingThe tenants should file a claim with their renters insurance.