You hit on a tough reality.. inheriting tenants who aren’t prepared to pay on time can be one of the biggest curveballs for a landlord.

The biggest employer shut down about a year ago and 3  hurricanes (2 major) hit directly in the last year.

The biggest thing to make sure of is to choose a solid strategy that you plan on using for the long term and choose a city/state that you trust.

Another reason to not like a PM is that there is no incentive for them to save you money.

So cash flow isn’t the biggest concern.

At least for me the biggest complaints are my staff, visitors, etc. parking in front of their house. 

There's money to be made whatever you decide to do but your biggest advantage is your age and time available to learn and grow.I have thought about house hacking for quite some time now.

My biggest focus right now is passive income.

that is more a RV park. the MBH parks down here. we typically own the land, lot, and trailers. there is a reason but long story short, if i just own the lot and they dont pay the fee. i do not have the biggest teeth to push the need for my money. but if i own it all, my experience says it is a better path

@Cole Bossert I think @Sarah Kensinger and others have touched on the biggest qualities, especially communication.