Rite Aid has Arm and Hammer bottles for $2.99 this week with $1 UP reward for a net of $1.99 per bottle.

There are $1 off 2 bottles coupons on the Arm and Hammer website and you can print 2 per computer (you'll need 4). http://www.armandhammer.com/

There is also a $5 off $25 Rite Aid coupon:

There is also the Gift of Savings program
this month so you also get a $5 GC for every $25 you spend up to $100. So the math:

9 bottles of Arm and Hammer liquid detergent 26.91
less $5 off $25 - 5.00
less 4 $1 off coupons - 4.00
Spend out of pocket 17.91
Get back in UP rewards - 9.00
Get back in GOS - 5.00
Net when the dust settles 3.91
Price per bottle .43 (plus the taxes)

Printable Coupons are generally available for 5 days or less.

This Coupon has been added to the Budget101 Complete Coupon Database!