Discover the best prices on Bobs red mill tapioca flour Dry Food when you comparison shop at bizrate. Browse Bobs red mill tapioca flour in Dry Food to find the lowest prices from . Narrow your search by price range, product specification, store, or style -- even caluclate your tax and shipping charges before buying. bizrate is your one-stop shop for Gifts, Flowers & Food gifts: Buy Bob's Red Mill Gluten Free Tapioca Flour -- 4 Pack/ 20 Oz Each Pack and Flour, Tapioca, 20 oz..