If your property is the only one without a driveway, then yes, it may lower your ARV.One of the properties I own has a neighboring property that is the only property in the area without a backyard and without a driveway, and it is fairly lower than all the neighboring properties, although it is nearly identical in structure.

Every buyer wants some way to determine if they are being offered a fair deal.

I am a fairly new investor and recently moved to Scranton, PA.

In our area, its fairly "normal" for showings to happen after accepted offer to minimize disruption to tenants. 

on second thought your numbers are fairly conservative.

Your not correct under many different circumstances.First property tax is 1.1% (fairly safe) with 2% annual increase (prop 13).Next expenses include a lot more than property tax and interest. 

Section 8 vouchers pay up to fair market rent.

That’s a level I’m fairly comfortable with but your level of comfort may be more or less.

Most everything else you mentioned has been fairly standard on my builds since the beginning.

Transcribing transactions from bank statements, posting transactions to the correct accounts, and then manually creating an income statement, statement of owner's equity and a balance sheet is a fairly time consuming process and I have not been able to keep up with the book keeping between my regular work responsibilities.What accounting software do people recommend?