Get a bigger bottle for the same price per ounce with the same stack. The 25-ounce bottles are on sale for $1.99. Pay $1.64 after the coupon and rebate.
Both sizes are included in the Points Blizzard promotion: spend $30.00 on qualifying products and receive 1,000 Plenti Points ($10.00). The promotion has a limit of two per week through 2/25. The Palmolive is a perfect filler item to add to your transaction if you need just a few more dollars to reach the $30.00 threshold.