If we bought another house the mortgage would be low 7% interest and on a 350k-385k home our mortgage would be about 3 thousand (Anything cheaper is a less desirable location or unlivable).

More affordable properties may cash flow well but take longer to scale.Rental rates in your market: Locations with higher rents (e.g. $2k/month) will require fewer properties than areas with lower rent (e.g. $800/month).

The question is what kind of tenant's are attracted to your location?

Location is key even block by block in many areas.

We were not immune as we lost about 20 units, but they were either owners with unreal expectations and/or underperforming units due to not being well located/renovated/lacking amenities etc. 

@Brendan M BrownRochester can be a little weird with locations, so you'll want to be mindful of your target tenants with the sub 150k duplexes.  

It takes time to understand a local market, what people want and where they want to be located.

@Alejandro Ferrer you can have thermostats that limit the temperature the heat can be set to but where are you located that you think they can turn the heat off when they aren't home? 

You didn't say where you're located, but definitely check this out by calling the State Registrar of Contractors.

Additionally, the court found that individuals who owned their property prior to the approval of the 2016 ordinance are eligible for a Type 2 license.