U.S. retail sales of candles are estimated at approximately $3.2 billion annually (Source: Mintel). Candles are used in 7 out of 10 U.S. households. Candle making is an easy-to-learn craft for beginners—the materials and instructions are very simple but the possibilities are endless. Buying good quality candles can be expensive; this is a great way to cut the cost without compromising on beauty and scent.