Some auction now say along the lines of 'if you dont agree with the p&p, then dont bid'. Then if they do bid, win and then complain, surely they dont have a leg to stand on and the seller would be ok.

I find it anoying that people, say in Manchester for example, win your item bid and win your item that you have listed for collection only from South Devon. Do people even read the descriptions, clearly stated in there is that its cash on collection only.
or
You put, as I do, UK postage only. Why then do I still get the occasional question how much postage would be to Greece?