Candles burn more slowly and evenly with minimal dripping if you place them in the refrigerator for several hours before using.
Club soda makes a great and cheap spot cleaner for carpet.
Cottage Cheese - Store carton upside down. It will keep twice as long.
Ice Cream - Sometimes ice cream that has been opened and returned to the freezer forms a waxlike film on the top. To prevent this, press a piece of waxed paper against the surface of the remaining ice cream and reseal the carton.