The tidbits of advice for new Montana residents and those looking to move here range from the mundane to the laughably wrong. But the most common piece of wisdom you'll see in online forums is to "change your plates as soon as humanly possible".
Convertibles are nice. Convertibles are fun. I'd love to have a convertible. But, a visitor to Yellowstone National Park recently learned that no, the bison are not impressed with your fun roofless vehicle.
We've got a ton of 'summer cars' in the Gallatin Valley. Not necessarily exotic or expensive (although there are those too), but Garage Queens that are driven in the Summer only and now is the time to get them road ready.