As far as maintenance and capex go, definitely look to historical operating data and local contractors about what things will cost.

I am writing an article and I am an appraiser and looking for primary data. 

That being said,  I've hired a bookkeeper to analyze the data for 2018 and prep for taxes.   

Hey @Reginald Lewis I use a remote VA for more menial tasks like data entry, drafting documents, but at a much lower rate. $11/hr seems steep for a VA

This will help you not only organize revenue and expenses, but also formulate KPIs and benchmarks.As far as market data, RealPage and Yardi have great resources as you know.

I have a software that pulls some data from the MLS that shows a map of areas and shows zip, city, mean income, mean value of properties, forcast appreciation, price to rent ratio, # of all cash sales, # of abandoned houses, and foreclosures in the area. 

I do think the lower price of power is attractive to tech and other industries, therefore, we'll continue to see that grow (T-mobile's here and several data farms just south of us in Grant County (~25 min drive).

I'm looking to combine geographic data to determine the best zones to look into investing.

How do you find the data for sold units in the area for the past 3 years?

I do web research, data entry, and other stuff.