I figure the real issue is not so much knowing if they're working, since you'd realize that from not being able to connect to them or see the video feed, but if they did glitch frequently they could become a nuisance.

Get many bids and ask all the questions and watch all the YouTube videos you need until you fully understand what needs to be done for any repairs.

We take pictures and provide a narrated video tour. 

It's really kind of amazing how well-mannered the BP forums tend to be -- you just have to look at most internet interactions to see how quickly people can go negative -- and I think the "vote" tool helps with that.

I'm always up for a video or phone call to talk more about what you want to do.

There was another but I understand they got sued and shut it down.In some severe cases, more so when I still rented single family houses before I started doing everything shared housing, I would post a youtube video indexing the tenant so others would be warned.  

Data is pictures, video, sound, XML text files that are thousands of pages.

Check out the youtube videos too, you'll learn a lot!

It doesn't take a lot of time and I think it helps the neighborhood, the sense of community, and the single people that don't get a lot of social interaction.

Some large distribution channels (with some brainstorm ideas for them) are: BiggerPockets (official BP blogger, being an admin, posting, commenting, adding value, offering assistance, being insightful) Amazon.com (writing books and publishing them) iTunes (podcasting) YouTube (video blog, tips, interviews, , make real estate music videos...?!