By the late 1960s it was becoming possible to build international news coverage around satellite communication, although it was a scarce and expensive commodity.

That said, water (this one may take a bit longer than ten years) will become a more precious and expensive commodity than oil.

Such an expensive commodity requires close inspection before it disappears down the hatch.

From the journeyman down to the lowest cottar, meat was an expensive commodity, and would be consumed rarely.

Traditionally made of silver, they were in common use in the 19th century, when tea was a more expensive commodity.