Remember those record-high prices for pork, eggs and beef the past few years? They’re long gone. Overall costs for food at home — the stuff you buy at the grocery store — was down more than 2 percent in September from a year earlier. And those costs have fallen for five straight months, the longest continuous drop since 2009.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};