Crock-Pot SCR400-SP 4-Quart Oval Slow Cooker for $11.00.  Select in-store pickup at Walmart to save on shipping.  Otherwise, shipping is free on orders over $50.  Here is a screenshot for reference. It features a 4-quart capacity, high and low settings, and a dishwasher-safe crock and lid. Most places have it for about $17.