There's no reason to provide details, though I do let people know if anyone asks that we do not accept bulk up-front rent payments or anything like that because I absolutely do not want a prospective tenant to think that someone else swooped in with a bunch of cash last minute.

Gaining clients from your interactions should be a secondary goal. 

I did a search on the forums and insurance seems like it could be a major problem.Shouldn't be an issue at all. 

Where to get the most recent and accurate data for things like:Unemployment dataPopulation growthJob diversity and top employers in the areaVacancy rates (eg huduser.org)Property taxes and jnsurance costsI saw bp pro and reventure and a bunch of other websites provide some of this data, but i wonder how accurate and recent it is.

A great location demands a higher price. 

I imagine there is a good level of demand for your services in a city like Nashville!

You can refinance into a FHA 203k or like @Jason Wray mentioned you could even use a Fannie May homestyle renovation loan as well!  

This method provides an indication of value based on the property's rents.

Please note the information provided below is a layman's definition designed to provide a basic understanding for the general audience.

I interpretttev @Alan Asriants statement different than you but agree it is not clear   He could be indicating pools, basements, sunrooms do not provide a means for an extra tenant.