In addition to that they are having to pick up and deliver the materials. 

I'm picking up on this thread as currently trying to narrow down my property manager search in Houston.

And for the implementation and testing of these, have people tried to change over in the course of a month or picked a reliable tenant as a tester or something in between?

Don’t sellers pick their own title company?

Also, when picking a lender, make sure you pick one that is very familiar with BRRRR strategies, has access to hundreds of lenders to shop the best Hard Money and Refinance partners for you, and that can give you advise on the front end.  

An agent would be invaluable to you to pick through each of these neighborhoods.

If i'm ever in the NE area I will sure to reach out to further pick your brain.

You’ll pick up so much just by listening to people who’ve been through the highs and lows of the market.

I understand equity and cash-flow are related, but what I mean is that I don't need the cash flow right now as much as I'd like to build a strong portfolio that can cash flow even more later on.I've owned a single-family rental for 4 years, but on mulitple fronts I felt like I've done a poor job self-managing it, so this Fall I picked up the Turners' book on managing rentals and that's what led me here to Bigger Pockets online.

.)- If use the property more than 15 days or 10% of the time it becomes a residenceI suspect this is part of why the STR trend has picked up so greatly amongst professionals working in tech.