Simon,
It may be me reading between the lines, but based on your comments to Stu, the only reason you want to do this and do it for free is in a lame attempt to take business off legitimate traders, JUST BECAUSE YOU CAN

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That doesn't seem like a very good way of approaching someone to advertise it

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"Yo Stu, I want to deliberately set about trying to fuck your business up as best I can, so can you please allow me to use your well established website to do this?"
And you wonder why people are wary of you and think you have alterior motives - and yet you claim Chip's posts are transparent

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You might be a clever man, but you're an arsehole with it

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