<http://schema.org/description>
"A big purchase can get a lot bigger if you let a salesperson upsell you on a warranty or add-on product. Here are the ones to steer clear of."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2013/09/25/you-dont-need-that-6-upsells-you-should-never-buy/20729055/>