Amazon has Finish Gelpacs, 32 count for $3.22 after you clip the $2.15 eCoupon with FREE Super Saver shipping and $35 purchase or FREE with Amazon Prime.
That comes out to $.10 per load which is a GREAT price for dishwasher detergent.
This is an add-on item with $25 purchase and NOT available for Subscribe & Save.
Pricing was current when the post was published, however Amazon prices change often, so please check before you buy.