I have a few duplexes of one bed one bath apartments.

Decatur, GA 30032Purchase Price: $91,000Property Type: DuplexUnit 1: 3 Beds, 1 BathUnit 2: 2 Beds, 1 BathTotal Sq ft: about 1,886Sq Lt. 1/3-1/2 acre (In a hurry and forgot the exact number)Yr Built: 1966Rental income: 1550 ($850 for the 3 bed, $700 for 2 bed) (Am I off on this estimation?) 

All the rents are different values even though all the units are the same, 2 beds 1.5 baths. maybe some of them are in worse shape and based on some pictures, some units might have window AC units.Rent Income                          ~ $98,940          ($8245 mo)Insurance                               ~   $6100Taxes                                     ~   $7860           (Can this be reduced using deductions?)

If you figure $995/mo for 2 bed and $695/mo for 1 bed, that's $3680 per month gross revenue at 100% occupancy.  

Rentometer gives a decent look at rental comps in a given area given bed and sq ft count but Zillow/Realtor.com, Craigslist etc will give you a more defined look at what is listed in a given area and for how much. 

I build "education time" into my schedule its usually first thing in the morning before the family gets up or last thing at night once everyone goes to bed rarely in the middle of the day but occasionally.

Each duplex is two units, each unit is 2 bed, 1 bath.  

And for heaven's sake, never change this after you've struck a deal or nickel and dime your borrowers to death with junk fees.

That limits your risk of something being wrong to just the bed and bathrooms.

He is as nervous as I am and has a similar attitude, with life or death decision JOB's, like the Military, where it is "Lead or get out of my way!"