Amazon has Tide Free & Gentle, 50 oz (2-Pack) for $8.97 after you clip the $3 eCoupon with FREE Super Saver shipping and $35 purchase or FREE with Amazon Prime.
This comes out to $4.48 per bottle.
This is NOT Subscribe & Save…so you can just get your laundry detergent and not worry about canceling your order at a later time.
Pricing was current when the post was published, however Amazon prices change often, so please check before you buy.