Man Thought It Was Just Insulation, Then An Expert Tells Him What It Really Is

Automated trap

The new owners think they have found the deal of a lifetime, but in reality, the company has filled these houses with black beads and their fibrous carrying bags.

When homeowners sleep, the company activates the beads, steering them throughout the house, spraying rodent-attractant mist everywhere, then returning them to their carrying bags before dusk.