There is a smell of coconut sun tan lotion and sea salt in the air.

If you can determine that, you might gain some leverage in negotiations, especially if he's under a time constraint or financial pressure.

And in the 10 years since they moved in, central air became standard in office buildings so you won't be able to re-rent it unless you add in central air.

I don't know enough about Tampa but that may be another good spot with an Air Force presence.  

After seeing these older homes w/ the shingles removed, I realize how poorly air tight they are.

Environmental moisture vapor, within the air or being released from the ground, can easily collect on the underside of flooring.  

The house that has the well pressure tank also supplies the electric to the pump , if that tenant has their electric cut off , both buildings have no water . second , if there is a water treatment system that too is in the first house , who takes care of the chemicals.

I've heard those features are of questionable benefit and older homes that are generally much less air tight than newer homes.

Price: $230,000 (seller is giving me a $3,500 credit toward closing costs)Total projected income: $2,300/month after accounting for 1 month vacancy per yearPITI: $1,570/monthWater/Waste: $175/monthMaintenance/CapEx: $375/month$2,300 - $1,570 - $175 - 375 = $180 cashflow/monthI'll probably have to put in about $15,000 of improvements/upgrades to install central air/heating and submetering the gas lines before it's 100% ready for tenants.

I'm recalling the pressure I felt while reviewing the mortgage and closing documents at the table when I purchased my first home.