Hamilton Beach 33262 Stay or Go 6-Quart Slow Cooker for $17.88.  Shipping is $0.97 for a total of $18.85 shipped.  Here is a screenshot for your reference.  This slow cooker features high, low and keep warm settings, a removable dishwasher-safe stoneware crock and clip-tight tempered glass lid.  Most places have it for about $29.