SO much for a anual sale

So i stepped into the addidas kids store to be specific in Canal Walk to find out they having there annual sale which the consultant confirmed as I was so amazed by the huge decrease in the prices, the store consultant Mathew who helped me so beautifully even kept the shoe aside for me as I had to convince my fiance first it was marked clearlt on the takkie was R649.00 NOW R449.00, i then came back not long after as he said he couldnt keep it for to long as it was a sale they had, I came back into to the store and i was told that the price is actually R649.00 and someone put the wrong price on the takkie and they can not do anything about it it was a mistake which i feel is a load of **** whos fault is that clearly not me as the customer i should pay the price advertised on the takkie and then to make it worse this lady puts it back on the shelf still with the wrong price on furiouos about the poor service recieved at this store that i so love shopping at this store wont refer any one to believe the prices advertised