When any of the following is true:1.

A true win-win I realize this is biggerpockets so we’re all supposed to act like real estate is the most amazing investment class on the planet.

Which was true. 

The tried and true version is pulling a list of properties whether you're targeting distressed homes or high equity homes in which case you can pull on something like Propstream or Propwire, you can skip trace through them or someone like Prime Tracers which has a pay as you go system. 

This is where the true opportunities are.Detroit, starting with Downtown is experiencing a massive redevelopment, at this point its no longer a secret. 

Here's a https://www.irs.gov/businesses/cost-segregation-audit-technique-guide-chapter-4-principal-elements-of-a-quality-cost-segregation-study-and-report to the IRS website noting specific items that are included in the cost segregation study report. hmm, that website is a 404 error.  

I'm sorry, but that's not true.

That would be great if you can post the study here.P.S what are your thoughts on PropertyRadar(I hear they do daily updates I dont know how true this is though) and Listsource by core logic(the site claims daily updates)? 

So true, I've read his stuff as well.

True re the prior poster, re this helping the seller save their credit, if you buy sub-to you will dramatically raise their FICO since the mortgage will show on-time payments.