Here are the current tools I have begun looking into. 1.

I've done a few 1031 exchanges, they are a valuable tool!

It's a tool and should be used for the right property in the right area where it makes sense. 

It is actually just a tool to create the already mentioned accelerated depreciation.

And maybe it's not all or nothing for a given method, sometimes a combination of various financing tools is what wins.

FF is a great tool, but you can also look up local corporate leasing companies, as well as, insurance companies/agents to work with for individuals who are going through home insurance claims.  

Did not know about tools on how screan tenants.

And we have the tools for cheap to capture carbon......

You can use Airdna & other STR estimator tools to get data on potential income/vacancy based on your location and property size. 

There are rental management tools like Stessa, Baselane, Innago, and many others that include income/expense tracking that handles all the accounting tasks and reporting you really need for rentals.