Wood is still usually cheaper than gas. But be sure and close your flue tightly when you’re not using it, and make sure the fit is snug. Caulk around the hearth. If you don’t use your fireplace at all, plug and seal your chimney flue.
I've been giving financial advice for 40 years, and I'm a millionaire several times over. Here are the 10 best bits of financial advice I've both given and taken.