I bought a bag of Lays Classic Potato Chips at Super Wal Mart in Crystal Lake, Illinois. The sign under the chips said 12oz bag of Lays classic poato chips a $1.88. There were 50 to 100 bags of 11oz Lays classic potato chips above the sign but no 12oz bags. I figured they made a mistake or substituted. When I paid for the chips they rang for $2.50. I complained to the cashier. She said there was nothing she could do about it. I went to the customer service desk where they agreed to sell me the chips for $1.88. They made no attempt to have... read full review »