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.
If you're at least 62 years old, you can score a $10 lifetime pass to America's federal parks and recreational lands. But act quickly because fees are about to jump.