They also have trainings and other classes you can take, which are generally included with your membership, or at a very low cost.  

I have also taken a lot of classes throughout high school further developing my understanding.

We ALWAYS require a full month of rent for SD, but we also lose a decent amount of S8 applicants who can't come up with it.3) Delayed Advertising for Vacancies:- It is VERY difficult to arrange showings on occupied rentals, especially if Class C or S8 tenants!

Not so fast, you didn't cover equity skimming or dealing with a "protected class" or  . . . . . . . . . . . ;-)  your right because I dont charge to consult for sub too.. 

Is your rental C/D class where it can only attract a lower class more difficult kind of tenant to manage?

Bro, we both know she did the Columbus BootCamp and got this return DM model from that class.

Probably B-Class or better.

Low class outfit ...

I target C+ class hoods that seem to have tenants that stay much longer so my turnovers are almost zero.

This just shows you what lower class properties can bring to the table.