It has gotten increasingly frustrating to deal with inadequacies and complaints from my tenants as far as payment processing.

Apparently, because rates increased here so astronomically in the last 2 years, the insurance industry believes their numbers are correct with the risk.If you have the correct coverage @Marc Shin, you should be covered (although you should also have budgeted or baked-in costs for minor issues/damage).

A coach makes sense if you are 23 and want to increase your skills enough to earn a living with the sport.

In beach markets, in ground pools tend to increase revenue 20% or so. 

The margins are tight which increases risk.

But, for instance, I sent them a notice of rent increase effective February 1 and needed them to confirm that they have accepted the new payment terms through our electronic payment system, and even after repeated notices, they are not responding.

Though I expect that to increase in the future when more ADUs are constructed.

It’s worth considering the trade-offs between the stability of income and the increased oversight and hoops you'll have to jump through.

Property values have been appreciating rapidly in recent years, and the city’s population has started growing again—a trend we haven’t seen in decades.I’m also based in California and have been investing in Detroit for several years, so I understand the concerns of out-of-state investing.

There are a lot of ways to crash and burn, so increasing the odds of succeeding long term should be your highest priority. you can always sell your local assets once you're comfortable managing rentals and ready for a market that better-suits your criteria. btw, kudos for being self-aware of your limitations.