Extended BnB Stays Sap Bed-Tax Revenue County Reps Skeptical About News By JIM KEVLIN • Special to www.AllOTSEGO.com COOPERSTOWN – Zip. Nada. Zero. Air BnB is Otsego County’s single largest bed-tax generator, but from April 1 to June 30, it generated nothing, County Treasurer Allen Ruffles reported to the county Board of Representatives this morning. “They collected something like $140,000 and they sent us zero money,” he said. At a 2 percent rate, that would generally generate $2,800.…