A sandwich or a house - the 8 cheapest houses in the USA

It’s a tough call, with both costing you around US$7. The global financial crisis was caused by the US housing crisis, with 3.4 million houses lost to foreclosure so it’s no surprise that house prices have fallen significantly. But what can you get for $7?

To launch the slideshow which shows the 8 cheapest houses in the USA, go to this webpage.
It should promote some good discussion on supply and demand, and the costs of home ownership. To bring inequality into the discussion, you could then show them the 5 most expensive houses that are currently for sale - found here.