If yes, you may be required to report it to the US2) Are you working in a foreign country continuously?

The land would have required approval prior to being divided up.

Focusing on a move-in-ready home that accommodates your requirements (such as a 3/2+ or 4/2+) and is conveniently located between NAS Pensacola and potential employment locations for your wife, like Hurlburt Field or Eglin AFB, is a smart move.

Because most HML's require it.

These deals generally DO require a good amount of work or elbow grease to make that happen. 

Zillows "zestimate" is an example.Lenders sometimes use them to expedite loan processing  and waive appraisal requirements.  

I only got one because I had to for a commercial loan on an 8-plex, the lender required it.

The policies can have blanket coverage for Additional Insureds (if required by written contract) and it is a flat fee.  

My REI experience and financials are "good to very good" when it comes to the basic DSCR requirements. 

You can obviously continue using cash to buy your investments, but there are a number of options you can also use to finance both the purchase and then renovations that will require you to use less of your own money.