As full timers we used two Sentry fire resistant boxes. We had a lot of stuff in them like birth certificates, passports, insurance policies, titles, and other papers.
In the trunk of our car we also kept a list of all important phone numbers and an old cell phone that could activated if necessary. Also a list of passwords for banking and other web sites.
Did the cell phone and numbers thing after the guy across from us lost his phone when his travel trailer burned to the ground and I saw the problems he had notifying his insurance company and so forth.
