Sometimes large employers will rent furnished apartments for their employees coming to town on a regular basis.Also, if you believe strongly in the appreciation of the house, how bad would the negative cash flow be if you did long term rental? 

In addition, doing fewer deals than that will most likely mean that they don't have a legit team of pros to back you- PM, GC, Plumber, lender, etc- if they aren't feeding them constant business, those contractors won't drop their current jobs to help you in an emergency. 

Do you intend to purchase additional properties?

I'm on my 2nd househack in addition to our other rentals.

Here's an article with additional FAQs on cost segregation studies that you may find helpful.

In many jurisdictions any lease 24 months and longer basically conveys additional rights and a simple eviction is no longer feasible. 

I'm about to have to pay an additional $300 per LLC to my attorney who is my registered agent for my LLCs.

Generally your hours working at BP as a W-2 employee would not be part of RE professional hours unfortunately.For those who are RE professionals, gain on sale of rental real estate is still capital gains and still avoids self employment taxes just the same for those tho are not REPS so there is no downside to being a REP in the example you provided Scott. 

Then additional expenses for virtual assistants, legal help, accounting, etc.  

It requires significant work, and I'm concerned that some additions made by the previous owner may not comply with building codes.