A warning has been issued about buying drinks from a particular store. The issue arises when trying to return empty cans to a machine, as the price tags cover essential codes. These codes are necessary for the machine to process the cans.

The problem occurs because the store's method of labeling products interferes with the return process. Further details about this issue are available from the original complaint. The complaint explains the store's reasoning behind their labeling method and the resulting problems with returning cans.