Also, their grocery bill is astronomical and it should be cut drastically while still eating healthy food. 

Running comps this way doesn't take into account updated kitchen and bathrooms, finishes such as hardwood floors/granite counter tops/stainless steel appliances or amenities such as pools and fireplaces, etc.The best way to get a comp is to look at what recently sold within a 1-2 mile radius of the property you're looking at.  

This strategy is suppose to cut down a 30 year mortgage in approximately 7 1/2 years as long as you put more money than you spend.

As landlord I have the "Power" to submit a start order with my power company for electric start service into tenants name,, I download the form... it's in my move in packet and have new tenant sign it, but basically even without their signature I can start service in the new tenants name.If for some reason power is cut off I am on the account as landlord and am notified of cut offs or emergency power outages.  

There is a substantial difference between vinyl, formica and standard appliances and granite, tile and stainless steel among other things.

It's cut and dry, and lays out sound principles for property management, operation, and investing.  

That night they came over with a hand cart and cut the refrigerant lines on the outside compressor and were going to steal it at midnight.

The convenience to you of not chasing your money cuts against you when you want to boot someone for non-payment and you dont have a better nail (some other lease breach) to hang them from. 

That could be slightly problematic because the point of R-4 zoning is to cut down on population density.

Is the agent cutting commission really important to you or is getting the property at the right price the most important?