The other option would be to purchase the property strictly as a rental unit; nowadays, lenders are willing to go with 15% down; no income verification, and perhaps the rate be favorable in the high 7% to low 8% interest rate.

Here are some guidelines of when you should hire a PM based on units, location, and education.I began my journey by house hacking and then began buying SFH to rent while at the same time I was working a full-time job.

I own a duplex, where one unit is being rented out as a long-term rental (LTR) and the other as a short-term rental (STR).

The two most common lease termination criteria is to move family into the unit extensive rehabs.  

Investment Info:Small multi-family (2-4 units) buy & hold investment.

It was 16 units with a mix of 2 and 3 bedroom townhouses.

B) you would get significantly higher rent for an entire unit than just a single room in your house.

Rents on the extra units likely will not pay for your mortgage and you'll need to pay full rent on the unit you occupy.   

I agree a spreadsheet would be sufficient for me with only two units. 

Investment Info:Large multi-family (5+ units) buy & hold investment.