In mid-2004, John and Karen Philbrook bought a home in Sacramento’s North Highlands neighborhood, when buying a house seemed like a sure ticket to security. They opted for an interest-only, adjustable-rate mortgage and counted on the value of their house continuing to rise as a way to build up equity. ...[snip] In 2004, Karen and John realized their dream by buying a house in the North Highlands section of Sacramento that’s situated several miles northeast of downtown. It’s a small, three-bedroom bungalow, with a brick chimney running down its wooden exterior. With John’s two jobs and Karen’s at Safeway, the...