For Costco goers, the good news is that some stores are selling single gallons of milk. Kirkland Signature Whole Milk retails ... In the U.S., half-gallon containers are the most common size ...

(Watch above) Kobayashi downed an entire gallon of whole milk in 20 seconds. And that wasn't even the main event: He was merely washing down the 13 cupcakes he'd just swallowed in one minute — a ...