Using city-data (dot) com for AC 43235 I can see the area is 80% white.

That same report found data to be 96.2% accurate. 

These two data points help us understand the demand for new construction homes in terms of size and price.

I just looked at the data for August 2024 and read that there were 3397 homes for sale in the three county area around Sacramento.

Then I get STR data from AirDNA to ensure it's well above 1.5x LTR data.

There are companies spending $100k a month on mail and all the smaller sized companies / people all get their data from same sources (like Propstream).To me it didn’t make sense to use the same info as it is extremely difficult to have any type of advantage

I generally let tenants know that if they want it, there are services they can pay for, where they put the data in, and then I get sent an email just confirming the data is accurate. 

I think that this data base service is worth the money.

Stocks dipped last week after labor data disappointed.

Looking at the data you provided for Melbourne, FL:- Average rent is around $2,000-$2,100- Rents have actually decreased slightly year-over-year- There's a wide range of rental prices ($650 to $6,500)This suggests a diverse market with potential opportunities, but also some volatility.