The interest charge is negligible 4.75 and it is tax deductible, for a net effect of 3.5% (assuming 33% tax).  

Charge the going rate for a bedroom in your area and put the money you save into an account to buy that 2 family (or something else).

It charges my rentals a management fee, it's income to the management company from which I deduct at the time mainly my medical insurance and co-pays.

An investor who 1. wouldn't have management charges, utility charges, routine maintenance charges, capex(for the most part) charges etc...

Might not affect how much you can charge per month but it will help you out with the refinance to pull all of your money out. 

And charge $500 for early termination fee's with no mention of recourse on lack/no-performance on their part?

Online forms for tenants, income and expense tracking, auto add late fees (or other charges you may have), rent collection, integration with other applications, ability to store documents, etc.   

Hey BP Community.I have been in the RE game for around 5 years and it's going really well.I own 5 properties that equal 9 units now that I rent out furnished and usually shorter term (1-4 months).I manage the places myself and charge pretty high rents since its shorter term and furnished.I pay for all utilities, and wifi etc. 

I had planned to send a warning letter to alert them that the next time they would be charged.

As a former banker, I would use the same bank for all of my accounts because most financial institutions use "account analysis" in assessing service charges.