HIAWATHA — It might make some people ornery to work with their family members. But not so in the Schorg family. Parents Dawn and Rob work day in and day out with their adult children, Trevor and Brittany, in their new retail venture Ornery Octopus Surplus and Liquidation.The store — open every Thursday through Sunday — takes in overstocked items from big-box retail stores that Ornery Octopus then sells for half the retail price.