If you want to build something meaningful in the Metroplex, you'd better start pre-planning it. That's always been true. But it may be more so now than ever. A scorching hot construction market, the competition for appropriate sites, and volatility in the prices of materials such as steel and concrete make long-range planning essential. "A lot of preliminary work goes into it," says Jesse Pruitt, owner of Somervell Commercial Realty. "I don't know how many hours. But it's a lot of...