The way I see it is you're comparing two options, to HH or not to HH.

Many landlords think of it as the HIGHEST end of rent prices for comparable rentals.

Are there areas/cities more open to multifamily rezoning compared to others?

When you researched markets like Austin las Vegas Miami, those markets have higher land cost and are more cyclical in nature tend to have larger price swings compared to regions with lower land costs.

We do know the border had its issues, but currently illegal crossing are lower compared to when Trump left in office.

We recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

Ensure your flip profits exceed the LOC costs, maintain a financial buffer, and compare it to private or hard money loans.

I’ve never used Norada so I can’t compare the two.

It isn't the metric you can talk about on a national scale, but if you keep buying the same product in the same area it is a very easy quick and dirty method to know how you are doing compared to other buys. 

Since they can't do each property individually, they use comparable sales to make broad generalizations to determine percent changes.