This is what i found when i searched amazon.co.uk :
What we do about mispricings
Despite our best efforts, a small number of the more than 1.5 million items in our catalogue are mispriced. Rest assured, however, that we verify prices as part of our dispatch procedures.
If an item's correct price is lower than our stated price, we charge the lower amount and send you the item.
If a product's correct price is higher than our stated pri...
Dear Customer
Thank you for contacting Amazon.co.uk with your enquiry.
Please allow me to apologise for the confusion we have caused with
the pricing of "Lair (PS3)" and "Folklore (PS3)".
The discounts we offer on our website do vary from time to time.
I checked your order and found that price of these items are 15.90
GBP when you place the order. This is the price you will be charged
when ...