Is is old galvanized and cast iron piping, old windows, cabinets, bathrooms, furnaces, etc or has it been renovated.

Its not iron clad for every situation or specific to your state, but could be a solid starting point with some good protections.

Ironically I just got an email from the water department with my bill for a duplex I own in Cleveland and it was $44.95 and sewer this month was $53.16 (2x 2bed units with 4 tenants total and newer fixtures).  

Lots of variables here that you need to iron out.

@Marichelle LaoI’m a RE broker and Property Manager in Indianapolis and I’ve always recommended Iron Gate Home Inspectors to my clients.

Ironically, I always stayed longer when I was M2M.

Here are a few items they highlighted - repaint concrete sidewalk which had been previously painted and now chipping and replace a cast iron plumbing stack, which is functioning PERFECTLY, only because it is STARTING to barnacle.

----------------------------------Ironically, that same unit. 

Plumbing drains may be cast iron.

The tenant had clogged the old cast iron sewage pipes with baby wipes and other garbage (e.g. pens.