There are some advantages to commercial storage, even if not covered.
If it is paved or graveled parking lot vs- closed campground in overflow area, maybe in field or wooded area. Mice, squirrels, and other vermin are more adapt in fields and wooded areas, especially if there is no movement for long periods.
Either way just be diligent in prepping your rig for storage to eliminate unwanted guests. There are lots of wires and foam that they love from rigs.
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