Do you ever walk out of the grocery store and think your groceries cost more than you thought they would? Well, they may have. Each year, supermarket scanner errors can cost consumers up to $2.5 billion.
A recent GMA investigation found the most common problems:
More mistakes are found during times of high volume sales like holidays, but it can also happen on everyday purchases, the investigation found.
So what should you do to avoid paying too much?
The Food Marketing Institute, which represents grocery chains, told GMA that supermarkets strive for 100 percent price accuracy even though an average store stocks about 45 thousand different products.
If you want to complain about overcharging at a grocery store, or any type of store, contact the state department that oversees the issue. In Oklahoma that's the Department of Agriculture, Food & Forestry. Click here for a list of those agencies, listed by state.