A few minutes (and some saving tips) is all it takes to save hundreds of dollars in a month.
7. Insulate the attic door: Use a strong adhesive (try Loctite Power Grab; lowes.com) to secure rigid foam insulation and new weather stripping to the inside of your attic door or pull-down hatch. The project will pay for itself in a few months. Find instructions at energysavers.gov.