That offer was accepted by the customer making a contract to buy four gallons.

"So I went to the supermarket and bought three gallons of water."

If you were to buy the maximum 50 gallons every 14 days, the savings would be worth it.

Buy two gallons of gas-chin with the man at the pumps.

Gasoline is a great bargain, but drivers can buy only a little more than 10 gallons, and that usually after a long wait.

On one recent day, though, he bought only five gallons for $14.35, barely enough to drive to school, work and straight back home.

There were long lines at filling stations, where each customer could buy only 10 gallons.

The gas pump gauge tells us how many gallons we just bought.

Last year Americans bought nearly 50 million gallons of imported water for $213.7 million.

Its biggest is the Purchase College, which bought 77 million gallons of water last year.