Do a visual inspection of the bad light switch and look for loose connections. Loose wire connections at the screw terminal can usually be fixed with the screwdriver.

Here's how to swap outdated three-way light switches for something much better.

Handy Switch boasts itself as the wireless, tool-less way to put a light switch to your plug-in lamps. "I'm hoping the Handy Switch will eliminate the extension cord," said Audrey Gromer.