While using a clothes iron to straighten hair is an old trick, using a hair straightener on collars and that space between buttons also works
If you've accidentally dripped candle wax onto your carpet, there is hope yet. First, put a paper bag down over the wax, then lightly go over the affected area with a steam iron. The steam will help lift the wax from the carpet and allow it to cling to the bag instead.
Seltzer water will revive gold jewelry if you combine it with dish soap and let it soak for five minutes.
Spray squeaky door hinges in place with a little all-purpose lube, silicone spray or dry Teflon spray.