Tide has become a hot commodity lately. Law enforcement officials from around the nation say there has been an outbreak of thefts of the pricey-but-well-regarded detergent. One guy allegedly stole $25,000 worth of Tide before Minnesota police nabbed him. Why? Tide can be pricey (up to $20 a bottle), and, well, it’s in high demand. But how can you save on detergent without resorting to buying black-market-Tide?