To get the stains off of cookie sheets, pie pans and other cookware, soak them in a solution of borax and water.
If your jars or glasses look cloudy fill them with warm water and add a few drops of ammonia. Wait about an hour - then wash and rinse in hot water. My mother-in-law soaks them in a solution of 2 cups vinegar to a sink full of hot water.
Silver that has dulled can be shined up again by rubbing a potato dipped in baking soda. Or when you boil potatoes, save the water to soak your silver in.
Never drain grease down the sink! It will clog up your sinks over time. If you forget and do it anyway, be sure to run some hot water with dish soap. Dawn is good for degreasing. If your sink does become clogged up pour 1/4 cup of baking soda down the drain followed by 1/2 cup of white vinegar. Wait few minutes and then pour a pot of boiling water down the drain.
To clean off the oven window, make a paste of baking soda and water. Rub onto the window and let sit for about 15 minutes. Wipe clean with a paper towel and clear water.