Do you keep a dehumidifier in your garage to keep your classic car from turning into a pile of rust?

When I moved to the PNW 20 years ago, I got surprised at the way things in the shop and garage deteriorated. Cardboard got soggy and weak, and steel would get surface rust. A buddy who lived here all his life told me to do nothing more complicated than set a cheap box fan or two on a timer and run them an hour or two a day. I did that and haven't had a problem since. Not sure if this would work in your climate but it sure did in mine.