If you have your business incorporated or at least a DBA Versium I've been told Versium is a solid choice for skiptracing. 

And Melissa- that was my next question- where to incorporate the LLC. 

I'm now considering expanding my real estate ventures into building custom homes, but I know this is an entirely different beast between the required capital, learning curve, time committment, etc. 

I heard podcasts where people uses customized versions of Podio or SalesForce? 

According to the telephone operator it was snail mail only for Articles of Incorporation. 

Rentvine's excellent customer service spoils me, and I can't imagine using software with lousy customer service. 

Using Power Query and the Propery ID, create a custom URL for each address4.

One I am still learning, and would love to incorporate into my business. 

Verified reviewers, reviews in the last year (or other time period), verified customers, reviewers with more than x reviews, reviews with more than just stars (written comments)?  

You'll want to incorporate interest costs on the HELOC while you're using it, but that will add to your holding costs in addition to utilities, closing costs, etc..