If you have a child under 17, you can take up to $1,000 off your tax liability per child and it doesn't matter how many kids. If you have five, that's $5,000.

Hurricane Katrina -- if you housed a victim for more than 60 days there's an extra $500 exemption. It's as if you have a dependent or if you were supporting someone for the year and that is unique for this year.