Here's a great deal on Finish Quantum Dishwasher Detergent with Baking Soda (25 ct.) available right  now on Amazon.  You can pick up a box for $3.52 when you combine the available coupon with the Subscribe & Save discount!  Here's how:

Finish Quantum Dishwasher Detergent with Baking Soda (25 ct.), $5.97
Save 5% with Subscribe & Save
Save $2.15 when you clip the Amazon eCoupon (below the product description - must be logged in)
$3.52 with FREE Super Saver Shipping on your order over $25!

(Thanks, Jungle Deals & Steals!)