You might even make a friend.What I want to avoid is criticism or arguments.

The other option is to add a second layer of 3/4” t&g cdx ply on top of the subfloor if you have the ability to maintain critical heights with your subfloor (you can always undercut doors and use transition strips if needed).

I can take constructive criticism, I am constantly learning!

The infrastructure on any job is the most critical, and can be the most costly.

We, as individuals, should continue to do what is right for our specific circumstances hoping for dissimilar results when compared to others. 

I have too much to lose to not get this right & it’s critical that my interests are protected.

It's critical to avoid a situation where you have just purchased a second property, put significant money down, and now have to pay for a new furnace ($10k in my area) at the first property. 

@Felipe Ocampo The critical step in the 1031 process is to contract with a Qualified Intermediary (QI), like @Bill Exeter or @Dave Foster before you close on your sale. 

Location for these types of properties is critical.

Every one of @Mike M.s criticisms are valid.