As long as it is a solid surface you would be able to park a vehicle or camper, trailer,  on the slab if you wanted to.That size slab wasn't cheep to put in, ugly it still has value.I'd just plain not think about it and leave it as is until you decide to change it over into a car port, shed, or put a fence around it.  

Military = constant supply of renters that will never dry up, no matter how bad the economy gets.

I have a 3 bed 1.5 ba house 2 car detached garage .

Seems like a very bad idea...f) Don't bother with setting up LLCs for now, perhaps wait later for better economies of scale compared to the cost of procuring an address

You need to be very carful that your desire to own does not override your business interests.  

in California you can advertise to buy your own properties and do not have to disclose you're an agent when doing that, I've confirmed this with CAR legal.  

I bought a aux cord from the local gas station so I could listen to them in the car.

But when the economy tanks the common phrase is that SF will catch a cold while areas like Sacramento get pneumonia. 

Car? 

And of course solvents from cleaning up cars and parts.The problem is that with heavy ran, all those chemicals tend to rise up out of the water-soaked ground and run off into the area.As an aviation side note, it used to be common that small airplane pilots would use fuel testers on their gas tanks by sumping a little fuel from the wing tanks to check for water contamination.