My HD cable for my PS3 cost me a pound. Where are you shopping?
It's not about the prices that you can find them at, it's about prices some people are willing to buy them for.
January VGChartz Articles:
http://www.vgchartz.com/article/441948/most-anticipated-game-of-2020/ (Article - Most Anticipated Game of 2020)
http://www.vgchartz.com/article/442015/ancestors-the-humankind-odyssey-xone/ (Ancestors: The Humankind Odyssey Review - 4/10)
http://www.vgchartz.com/article/442086/weakless-xone/ (Weakless Review - 5/10)