Amazon currently offers a $1.50 off Tide products e-coupon. Tide Original Scent (HE) Liquid Laundry Detergent , 50 Fl Oz, 2 Count currently on sale for $11.98. If you order using subscribe and save the price goes down to $11.38 and you get free shipping. Then, clip this e-coupon and your total is $9.88 for two bottles or just $4.94 each shipped. As pictured, this is for the HE kind.
Amazon pricing can change at any time. Check out this great offer here.