You could probably do that with a machine-operated drill, like what is used by well drillers, and just get enough holes drilled to allow the water to penetrate the concrete. 

Zillow makes money by selling ads to real estate agents and tricking the general public into thinking their website is anything more than a lead generation machine.

We used a ozone machine off an on for several months room by room this was a 4 BR house 3 levels so 3500 sq ft house, but every room had some kind of cat odor we had to deal with. 

I think typically you'd provide the laundry machines (if applicable) and a fridge.

Say you had 20k in startup cash, how do you make that into an automated machine that doesn't NEED you to run. 

However, SECTION 409 DISHWASHING MACHINES, of the Texas plumbing code states Air Gaps are required and need to be inspected annually.The concern is waste backing up into the water supply if the water pressure dropped during water supply disruptions.

Think of it this way lets say we have a house gum ball machine and all the houses in the area that are similar condition etc are put in this gumball machine. and you turn the gumball house machine of doom an one gumball comes out. is your one of your gumball more or less likely to come out if you have 1 or 5 in the machine. 

Not a cash flowing machine but will be a positive cash flow with good CoC return when I do move.

Someone recently said that getting into a short sale is like a real estate time machine.

Just keep in mind agents/brokers are not "offer machines" or "24-hour per day ARV generators."