Size: Slow cookers range in size from 2.5 to 6.5 quarts. If you're cooking for a family, try a 3- to 4-quart model.
Features: A programmable timer allows you to choose the cooking time and temperature. Some models automatically shift to a warming mode when the dish is done. Others have an automatic shut-off feature, useful if you'll be gone long.
Cost: Pots cost from $20 to $60… but watch garage sales for real bargains!