I know the question’s broad just looking for a sense of direction and if that’d be suitable experience.

Usually your local rental owners association will put on landlord bootcamps which will give you a good broad understanding of the laws that you need to be aware of and your responsibilities as a LL 

Regardless of how you slice it, you already know, in broad terms, what this investment will do for you every month.

@Jennifer Edwards  Here is a spreadsheet I share on this forum to help you think about more of the expenses more broadly. 

Swine flu, SARS, Ebola, were all going to wipe a broad swath through the world.Flu does this annually. posted by @Carolyn Fuller:@Ken Latchers The difference between our current seasonal flu and this new virus is currently expected to be 20 times the fatality rate worldwide.

remember the property has to be able to maintain a CO and be livable (broad brush concepts) otherwise why should the lender underwrite the loan?

The exemption from UDFI tax on debt-financed real estate is often stated too broadly. 

So there's a very wide variety of loan products falling under the broad "portfolio loan" definition.

Or are you keeping a pretty broad range to start with?

The broad consensus is the the '4% rule' is more of a rule-of-thumb than a proper retirement withdrawal strategy.