Quote from @Min Zhang: Hey Alan, I have seen areas like Cleveland and Dayton with COC ranging from 10-18% and Columbus is around 8-12% with strong growth. 

I've had success with 2 short-term rentals, and wanted one more in relative close range to work and life.

Google search gives me these super wide ranges and mostly talking about adding a bedroom in a SFH, which I'm not sure if applicable to this situation of "moving/subtracting a bedroom from one unit and add it to another unit in a duplex". 

As mentioned above your new rate should actually be 6-7 range not 8s so shop around.

Investing in multifamily properties in Philadelphia is popular due to the city's steady population growth, job opportunities, relatively affordable property values, and solid rental demandPhiladelphia’s multifamily market offers a range of opportunities, from high-end neighborhoods to up-and-coming areas with great cash flow potential.

The vast majority of lawsuits against Landlords are for wrongful eviction, security deposit disputes, and Fair Housing Violations.

I have a vast degree of experience in section 8 rentals myself.

@Tom Dean we have viable options in that price range in the Myrtle Beach market and around Conway (home of Coastal Carolina University). 

The bigger the property, the different the agent on the commercial side.Multifamily in the 10-30 door range 

In my market I think $2,000-2,500 might be the range I would use but your market may differ. 2.