100 oz. of Tide Purclean for $11.59 on Amazon

Amazon has got these two 50 oz. Tide Purclean Detergent for as low as $8.17 shipped (8 cents per ounce) when you stack a $2.00 online coupon with Subscribe & Save discounts.

First "clip" the $2.00 off coupon on the product page. Then, the Subscribe & Save discount pricing works out as follows:

• $13.59 - $2.00 coupon = $11.59 (11.6 cents per ounce) with the 15% Subscribe & Save discount (if you can take delivery of 5 or more active subscriptions in one month).

• $15.19 - $2.00 coupon = $13.19 (13 cents per ounce) with the 5% Subscribe & Save discount

If you're unfamiliar with Subscribe & Save deals, or would just like a few tips on how best to use the Subscribe & Save program, read my shpiel on Subscribe & Save strategies here.