I would even take it a step further and share that executive summary with all neighbors of the site.

Craig,I took a quick stroll on 7e Note Investment site.

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

For estimating rehab costs, try using the BiggerPockets Rehab Estimator Tool or get quotes from contractors through sites like HomeAdvisor or Thumbtack.

Therefore, I try to find a more user friendly web site that can distill the above into something that is readable.  

Start to see what makes one more than the other you might have one site looking at quartz counter tops with huge living rooms and the other looking at plastic counter tops,  being able to identify this will help you identify where your property could sit.  

You could look up Neighbor.com and do small storage on site for others as a new niche as well.

We are listed on about 6 sites and besides the typical Airbnb and VRBO, we've had success with Travelstayion as well. 

.), 1 stored in a cloud environment (and secured) and 1 off site.

I got a quote for 8K sft retail from a construction company for around $120/sft, this includes site prep, utilities, metal building erection, exterior finishes, interior insulation etc (basically build the shell from scratch).