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Amazon has Method Gel Hand Soap, Sea Minerals 12 oz (pack of 6) for $ 12 when you buy 2 x 6-packs and select Subscribe & Save.
Price is $ 17.94 – 5% S&S discount – $ 10 Multibuy discount (add 2 to cart to get discount automatically). Total should be $ 24.09 for 12 bottles (about $ 2 a bottle).