Amazon has Tide Free and Gentle High Efficiency Unscented Detergent (50 oz., 2 pk.) on sale for 11.97, shipped FREE when you buy with Subscribe & Save. You can save an additional $1.50 when you clip the $1.50 Amazon Tide eCoupon (found under the product description). Here's the deal:
Tide Free and Gentle High Efficiency Unscented Detergent (50 oz., 2 pk.), $11.97
Save 5-20% with Subscribe & Save and Amazon Mom
Save $1.50 with the Amazon eCoupon (located below the product description)
As low as $4.04 after discounts and eCoupon!