But if a developer bought 15,000 square feet of unused air rights from his neighbors, then he could put up a 115,000-square-foot building.

If it had to buy 120,000 square feet of development rights, it might expect to pay more than $10 million.

The developers have a contract to buy 1.5 million square feet of Grand Central's air rights.

This year it bought 470,000 square feet of space worth $50 million in five buildings.

He has bought 2,150 square feet of finished but unpartitioned space on the third floor.

Later the partnership bought about 50,000 square feet of retail space.

If there is a special on arteries somewhere, buy me five feet.

In addition, the company has bought or optioned 200 acres on which it could build up to three million more square feet.

Mr. Kahn bought 20 feet of lights and strung them around the restaurant.

When a rope is selling 20 cents per 2 feet, how many feet can you buy for 30 dollars?