POTSDAM -- The Potsdam Food Co-op, 34 Elm St., will host its annual open house on Oct. 12 and 13 from 11 a.m.-4 p.m. Live music, local vendors, free samples, kid's activities from 11 a.m.-2 p.m. sponsored by the Deep Root Center. A 50/50 raffle will benefit the Deep Root Center. A silent auction raffle will benefit the Neighborhood Center. There will be a 10 percent discount in store all day for everyone and a stacked discount for existing owners. First 50 new owner sign-ups get a surprise gift. Featuring the Hex & Hop beer truck Sunday.