Because of this, you now have 2 open slots with Fannie Mae and can now buy additional properties and refinance them with a Fannie Mae loan.

That will open up your Fannie Mae slots.

Step one: however many of the 10 Fannie slots you have left, use them up.Step two: commercial loan from a commercial bank.

Can you refi out of the FHA loan to free that slot up?

I was trying to gage the gross income and the occupancy rate was one of the slots in my AirBnB calculator.

that some investors have used electronic door deadbolts with the buttons for the passcode as well as the key slot, to eliminate tenants from calling you to let them in if they forgot their keys etc.

I would like to continue obtaining FNMA financing, so the question is this:Can I transfer any of the these properties into an LLC (that I would need to create), in order to free-up more slots for additional FNMA financing?

Now a spouse has a few freed slots.

The minimum you should have in this slot is $150.  

There's a reason slot of the houses are that cheap, there's not much growth there.