Search the site for house hacking and you will find some tips and experiences.

Check out the new THs literally a 5 minute walk from the hospital site and starting in the low 300s.https://umcapitalregion.org/our-new-hospital/https://www.ryanhomes.com/find-your-home/our-commu...

It is in spreadsheet format but is a manual process - wish it would dump from the sites in the same format, but no luck. 

Is there really any advantage of the overly complicated QuickBooks software for the investor NOT managing their own units?

You should look at AVMs see if the asking price and rental price are accurate before making an offer using Zillow, Redfin and rent sites including Craigslist. 

Not sure what I’d do without this site .

Having a good lawn person is also helpful as they can help keep an eye on things as they are frequently on site.  

But I would say most the stuff on the MLS (and other sites) are going to be above fair market value just because people are trying to take advantage of the already high prices.

He should have made it clear to the insurance company that he will not be living there, adding that the property will be a construction site he intends to complete and flip. 

You can look on craigslists and apartment sites to get an idea on rent comps.