This doesn't mean that any area will work, but with a little due diligence, you can find which areas are dramatically underserved on the short term rental market and go from there. 

I wanted my lifestyle to change as we build an “empire” (the wording is for dramatic effect, but it’s true in my mind).

Although it was not dramatic an inverted yield curve usually forecasts economic conditions that make a recession more likely, or low economic activity. 

The San Diego market has appreciated dramatically where home prices are 50% higher than they were just in March of 2021.

There is significantly more demand from people who want to live in a so-called  "white areas" than people who want to live in "black areas".If black areas really are so dramatically undervalued like this article makes the claim, why aren't investment firms buying up thousands of homes in these areas and just waiting for prices to increase?

You could increase that rental income dramatically if you employ this sort of model, however the management costs would be more expensive.

One dramatic example last year:  Our operating partner acquired a Louisville mobile home park for $7.1 million, half cash and half debt.

I’ve had one where they went up dramatically!

You very much have to be aware of the block you are on because you can see your ARV values change dramatically depending on the block your on.In this highly competitive market I will say it may be difficult to pick something up using FHA, as a lot of houses are selling cash, with no contingencies, in short closing timelines.

If you do that, your cash on cash return would be dramatically improved leaving you more funds / opportunity for your next deal.