Right now the Seventh Generation Natural Dish Liquid, Clementine Zest & Lemongrass Scent, 25-Fluid Ounce Bottles (Pack of 6) is priced for $18.42 on Amazon. Add two and select the Subscribe & Save option and automatically receive an additional $14.74 off to make it $20.26 ,just $1.69. Shipping is free with Amazon Prime members. You can go here for this deal!
I did a price comparison and this is $3.49 at Walgreens!