A lender’s prompt and efficient response to consumer questions and complaints could mean better customer relationships and less chance of a lawsuit or regulatory action, according to a panel of experts at a recent compliance conference hosted by the Mortgage Bankers Association of America. "How a regulator looks at a lender depends largely on how that lender handles consumer complaints," said Sheri Ledner, an attorney with the Washington, DC, law firm of Weiner, Brodsky, Sidman