Silicon Valley homeowners hoping to take advantage of new rules designed to slash interest rates on their hefty mortgages are learning that what looks good on paper doesn't always work in the real world.

• Check Bay Area home sale prices, more

 

Silicon Valley homeowners hoping to take advantage of new rules designed to slash interest rates on their hefty mortgages are learning that what looks good on paper doesn't always work in the real world.

• See what homes sell for in your neighborhood

 

Rates on 30-year mortgages edged down slightly this week, staying below 6 percent, although rates on other types of mortgages rose.

• Check local home prices, more