Jeremy Renner and Kristoffer Winters bought a 1920s Holmby Hills mansion for $7 million, transformed the two-acre estate into a 10,005-square-foot showpiece and sold it three years later for $24 million

• Renner and Winters transformed a historic mansion into a luxurious Holmby Hills estate, turning an ambitious renovation into a lucrative sale.
• Some houses are bought for their addresses.
• Others are bought for what they could become.