Besides being a TW addict, I am a Partylite addict. It is only partylite for me. They are all natural. You could eat them if you wanted. I haven't but could. They leave no black soot around your holder, and they burn completely! I have the most wonderful Partylie consultant, she is stuck with me forever! You can ask a PC which are the stronger smells. And ask what smells do what. For example the partylite honeydew 3 wick, gets rid of musty or cigarette odors. The zen candle, gets rid of the "sick" smell. Not to be gross or grafic, but the smell that comes from not being able to keep anything down.

I love getting the 3 wick, it lasts forever. And at around $40, the most cost effective. And scents the room. I have a open living, dining, hall area. I buy candles for scent, not color or decoration. So I am burning them, not looking at them.
Some thing's you can do to extend your partylite candles (might or might not work with others, I don't know, I don't have anything else) is.....
1. Keep the candles in the fridge, they burn about twice as long or
2. Keep them in the freezer, they last about 3 times as long, but the wax may crack, so if you don't care if it cracks do this.
3. The partlite votives, can be used as melts. The wick pulls right out. So you can get any of the scents and use in a warmer.
4. The jar candles, keep them on the stove. The heat from the stove/oven will melt the wax, and release scent without burning the candle. Depending on what kind of stove you have, you may need to put the jar on something. So it doesn't do any damage, or break. And you must use the stove to have the wax melt, to release the scent.
Please use this as advice only, and I am not liable for any damage etc, that may occur with the misuse of any or all candles in this way.