The type that will best for you will depend on your situations and investment goals.A self-directed IRA custodian/administrator is best if you will be making a singular more static investment with a relatively low dollar amount.

You also have the added burden of Self Employment Taxes if you are actively participating in the business.In my opinion, you've jumped into a business without understanding a lot of the administrative aspects of it. 

Here is the opening paragraph of Bulletin 012:"Property Management means the physical, administrative or financial maintenance and management of real property, or the supervision of such activities for a fee, commission or other compensation or valuable consideration, pursuant to a property management agreement.

Here is a report from FEMA and the US Fire Administration that details the fire/explosion danger which you can cite to support your PM. https://www.usfa.fema.gov/downloads/pdf/publications/electronic_cigarettes.pdf

I don't want to repeat everything in my profile but I'm looking at several markets in Texas, Maine, New Hampshire, and Kentucky.Currently I'm active duty Military working in a medical administrative field.

I disagree as to me they are both needed, but I understand that for some it may not be necessary due to their threat level.Also using entities will create additional costs (creation, maintenance fee) and additional administrative burden to keep its protection veil intact (multiple bank accounts, paperwork trail, tax reporting).

However, it appears you not lived it in for 1 out of the last 5 years.You can decide to live in the house for the next 2 years and use the same strategy.You can also use the like-kind exchange that was discussed.Creating an LLC will not help in your case - if anything it will just add up some administration costs.SIngle member LLC or a multi-member LLC are "pass-through" so the character and types of gain will "pass-through" from the LLC to you and your wife.

I went to the park administration and I asked them about other properties in the park. 

If you could please prepare each of my properties for administrative transfer, and give me an YTD breakdown of the financials for each before our last day.

The GAO is not a court....It is a federal administrative agency.