Every day, all across the country, people travel near and far to assess exteriors — of homes and luggage and corrugated-iron cubes — and fantasize about what might be, but probably isn’t, inside. Then they bid at auction so that maybe, just maybe, they’ll get more than their money’s worth. There are television shows that purport to document this suspense — of the cautious turned lucky and the confident crushed. Sorry characters compete against one another for the privilege of owning abandoned property they know nothing about: houses with nonexistent plumbing, suitcases more likely to contain spilled toiletries than precious jewels, storage…