Same thing has happened to me.
I was in a WalMart and in the flyer the jacket was 49.99, ht eprice tag above and on the jacket was 49.99. I go to the cashier to ring it up and it pops up 89.99. So I calmly explain what the price is and show them the flyer, and they kept refusing to sell em the jacket for the price. And this was a damn warm winter jacket. So kept telling them the price, dragged the lady over to the price taged jackets, and she says "oh this is the wrong price". I lost it, its in the fucking flyer man, for around the world or at least Canada. Oh well, customer service sucks nowadays. Good animation by the way LOL