Yes the biggest issue was they grew way too fast and he set up an entire servicing company to handle all of their deals.

Depending on how you are acquiring these properties you may be able to just do one per year but that only matters if speed is an issues.

The issue you will have is that finding out what a property actually rented for is difficult.

Is the property priced appropriate for a purchase that does not permit financing?

But you do have to put some language in your lease  agreement or lease addendum that deals specifically with issues that will come up for the fireplace.  

I always invested in the “higher end of the lower end,” starting small and working my way up so the banks had no issues financing my next property.

Looking for permanent structure over being on wheels to avoid RV parking issues with the city and for the property value add with the permanent structure.

That has stopped but we do feel it to be a security issue. 

Let's analyze each issue you've mentioned:1) Tenancy Length: besides issues a landlord can't control, like death, sickness, job loss, etc., the actual management of the property & tenant play a large roll in how long tenants stay in their home.

The only issue is with a bit lower rent there's a higher number of applicants that won't qualify but I don't mind the volume to get it filled.