Want a cheap, long lasting candle in an emergency? All you need is a can of Crisco and a wick! Check out this great idea that a co-worker found on Pinterest: http://greatnorthernprepper.wordpress.com/2012/05/08/how-to-make-an-everlasting-candle-from-crisco/
Be sure to read the comment section, because some questions about making it are answered, like how do I get the wick through all of that grease. According to the post, you can also make candles from old crayons and even from a fish. I think I'll skip the fish candle.