Which or what post u think is most ridiculous or funny buy/sell/trade? Normally i see ppl selling those make few hundred in hours or offer high PR link, build backlink to increase PR and bla .... cause the selling prices vs income (most thread hundred vs few buck) and those PR/SEO offer but their link in the signature have zero PR ... what u said ??
Maybe it is not the link in their sig And .. MOST of the cheap stuff are just BS !! But !! .. NOT all, It's all up to you .. you gotta be picky