This expensive-looking underwater vacuum is basically a pretentious, cordless Roomba designed for swimming pools, promising total, effortless pool 'maintenance.' Pescadero's new influx of spiritual seekers believes owning one signals a mastery of domestic harmony and an escape from the proletariat life of manually scrubbing scum lines. It will, however, become a high-tech, submerged biohazard in the salt-stained, mangrove-filled backyard of a struggling Airbnb owner.