Eddie Lampert&amp;#8217;s not an ostentatious kind of guy, billionaire or no, so don&amp;#8217;t expect to see him driving a gold-plated Aston Martin around Greenwich. But Eddie&amp;#8217;s getting into the gold-buying frenzy in a big way, according to reports. His Sears Holding Co. has hooked up with a company that buys gold jewelry by mail and [...]