Amazon: Price mistake? Dropps Laundry Pacs 42 count (pack of 2) $9.89 w/ SSdropps

http://www.amazon.com/gp/product/B001N447PG

this may be a price mistake but if you choose subscribe and save, total is $9.89 for 2 packs of 42 counts = 84.

Product Features

* Pre-measured pacs are super-handy–just toss and wash! 1 pac = 1 load.
* Biodegradable pacs dissolve completely. No measuring, no mess.
* Great for HE washers. Plus, all temperatures + all colors + all fabrics
* Deep-cleaning formula means fresh clean clothes
* Phosphate-free, enzyme-free and biodegradable

you can see a few posts below i bought these for $25.50 with SS late last month. i did place another order though.

UPDATE: it is Out of Stock now.