When Warren Buffett invests in homebuilders, realtors should pay attention. Berkshire Hathaway’s $800 million bet on D.R. Horton, Lennar, and NVR highlights the long-term demand for new construction. In Arizona, where housing shortages and rising demand collide, this shift offers powerful lessons for realtors working with buyers, sellers, and investors. Here’s how Buffett’s strategy connects directly to opportunities in Phoenix, Scottsdale, and beyond.