It’s time to decorate for the holidays. You’ve brought your new tree in, you’ve collected plenty of ornaments, and you’re ready to string up lights and other goodies for the season. There’s just one problem: you only have one outlet. It might be tempting to go for an extension cord, but before you start plugging in everything into one power strip, hear what the experts have to say first. CNET”A lot of people don’t have knowledge of extension cords,” Paul Martinez, owner of Electrified NYC, in Brooklyn, New York, says….