My wife is a long time real estate agent in the area.

Remember when you dreamed of having a place to call your own? As a first-time homebuyer, that dream is about to become reality! But let's be honest, it can feel overwhelming. Don't worry, we've all been there.
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@Kiki Helland & @Ali L.So, you both believe the same effort and resources should be spent to manage and maintain Class A & D properties?

The disadvantage I can think of is that, the tenants will treat renting your house as renting an apartment, and require more maintains like clogged toilets.

By setting clear screening criteria and using neutral language when communicating with applicants, you reduce the risk of legal issues and maintain professionalism.

It will take a huge amount of work to upgrade the property which has not been properly maintained, so we'll be doing a lot of infrastructure rehab including adding HVAC/AC, upgrading the wiring, and bringing the old floors back to life.

In fairness, that could be due to disruption from all of the construction.Our current PM has done a good job maintaining the property, but more and more I find myself having to get involved in day to day issues. 

There seems to be a strong desire to embrace and maintain the ethnic/cultural character of this neighborhood and precluding predicted gentrification in the area with the development of the MetroHealth complex. 

Just make sure you maintain a financial cushion for emergencies.

Having them each inherit a duplex is a powerful way to set them up for financial success while maintaining cash flow for your future retirement.Overall, your plan is ambitious but entirely achievable.