You can learn about demand, running an airbnb, and all the moving parts.

Meaning you may be able to do some cosmetic or smaller renovations like bathrooms or kitchens in your duplex when the tenants turn over and those smaller investments can demand higher rents, so in the longterm you may have more cashflow from the duplex to help fund a future investment in another property while you wait for market conditions to change.

Quote from @Dena Sommers: I own a home that is too large to rent - no demand. 

Overall I would personally consider how I can still grow with the freedom that I have focusing on my real estate.

Bacon is more yummy than a Christmas tree, but I bet I'm going to have a whole lot less regulation growing Christmas trees... however, before we even get to that, it's necessary to know that the inquiry is even about bacon v Christmas trees, rather than Bacon v grapes. 

Plus our population is growing steadily which helps maintain property values and rental demand.

Research Kyle, TX's rental demand, local regulations, and HOA rules.

And yet the "problem" persists and grows........ 

In a market like this where properties are sitting a bit longer, buyer demand is kind of stagnant, many appraisals have been coming in lower than anticipated.

Strong rental demand: With major employers like the Cleveland Clinic and University Hospitals, along with a growing arts and culture scene, Cleveland attracts a steady stream of renters.Revitalization efforts: Many areas of Cleveland are experiencing significant revitalization, which can lead to increased property values and appreciation potential.I can't comment on the Detroit market specifically, I have never been and have never done any research on it!