So like you I will just continue to explore things and size up my options as they arise.Good Luck with your activities. 

I should have the benefit of getting accurate expense and income data for any real property to validate cap rate and other information.Property management costs are similar to what they are for a SFH (10%/mo + placement fee) until you get to a certain number of units where it then makes sense to hire an employee.Insurance costs will be proportionally more than a SFH/4plex in the area would. e.g.

I’ve been tracking it about quarterly for years even before RI and always update year end when preparing for taxes since I’m collecting much of the data anyway.

You can also access public records such as deeds and assessor data. 

Hi,I am exploring an opportunity for rental property listed in in Kennesaw, GA 30144.  

I applaud your desire to explore U.S. real estate as a vehicle for financial success.

You subscribe to them and they will provide you with the same data that realtor or appraiser would see (also very different than what is on zillow since you just see the "sold" price).  

The Median house price, for the recent NEFAR data Nov 2018 is $225,000. 30 year rates are about %0.75 higher than this time last year. 

I'm looking to make better connections and explore some opportunities.

You can find cheap data entry experts on Upwork or Fiverr who can do the work for you in a short time.