Amazon offers Prime members the Crock Pot 3.5-Quart Casserole Crock Slow Cooker in Black/White, model no. SCCPCCM350-BW, for $27.99 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $11.43.) That's the lowest total price we could find by $4. It features a locking lid, three heat settings, and side handles.