Additionally, a camera will need to be run down the sewer line. 

He assumed a opened/cracked pipe and/or a block.This crawl space door was too small for his camera, after pulling the toilet, he tried to snake it through where a toilet connects to the sewage line but ran into too many bends, and tried to snake it through the vent pipe on the roof and that was clogged (not fully blocked).

Couple takeaways from my first deal...If there is a clean out drain that's easily accessible, pay $100 for a plumber to stick a camera down there and see if there's any tree roots.

I imagine cameras are probably a better deterrent then the fence

Make sure the attendant wears a fluorescent vest to identify himself.Mount a camera and post a sign that the lot is monitored and protected to deter robberies.also handy to have a swipe device to accept credit cards for payment.

I always like to take a camera so that I can better assess what I saw when I was there.

Also if your main sewer line is filled with waste and water it is pointless to camera the line.

LETS TAKE A VOTEWhat do you think a home owner in foreclosure wants to here more Choice #1 I have cash and I want to buy your home.Choice #3 I have a camera, I got all these cute letters by my name, I can list your house for 6% and I will let you know when a buyer calls, oh and by the way keep making those payments on that house your about to loose because the bank wants you to.Give me a FREAKN breakHave a nice 4th All

When they sign the lease, I always do a walk through with camera and Property Inspection Form.

Just to give the rest of this story (in case anyone was thinking of trying this) - the guy lost the house and there are people being prosecuted for trying this stunt.From the AP:FLOWER MOUND, Texas (AP) — After paying $16 to file a one-page claim to an empty, $340,000 home in an upscale Dallas suburb, Kenneth Robinson moved in furniture, hung a "No Trespassing" sign in the front window and invited television cameras inside for a tour.He quickly turned into something of a local celebrity, creating a website, http://16dollarhouse.com , where he sold an e-book and offered training sessions for would-be squatters.