Whether you’ve got a new baby on the way or just want to add to your child’s college fund, wouldn’t it be nice to have an extra couple of hundred dollars lying around every year? That’s exactly what we were hoping to deliver for our fabulous Inhabitots Managing Editor (and new mom-to-be) Julie Seguss by giving her Brooklyn home an energy-saving lighting makeover. Over the course of just a few hours, we swapped out Julie’s electricity-guzzling halogens and incandescents with energy-efficient LED bulbs, a simple change that will save her over $400 a year! Click through to watch our video and see exactly how we did it.