Get out your spreadsheets, friends. Or at least get out your thinking caps. Wallingford resident and aFewSteps.org member David Director turned domestic super-sleuthing into a lot of green — both environmental and financial. Could you do the same thing in your home? You don’t have to start with a big house or a big bill to make a big difference. This little ever-thrifty home owner cut her winter electric bill in half by mostly closing off a little-used room. What’s killing watts in your humble abode? Read David’s blog about his energy saving process and the Philadelphia Inquirer’s spin on it. Then get sleuthing in your place…..