How Much Do Trader's Joe's Dark Chocolate Chips Cost? One 10-ounce package of Trader's Joe's 72% Cacao Dark Chocolate Chips costs $2.50. The Semi-Sweet Chocolate chips are a litter cheaper at $2 for a 12-ounce bag. For a little extra money, the Dark Chocolate Chips are definitely worth it! Image Source: POPSUGAR Photography / Jenny Sugar