has 270-Count on sale for $6.50 when you 'clip' the 20% off coupon and click on "Skip immediate delivery and just add subscription" or "Subscribe Now" to checkout via Subscribe & Save. Shipping is free while Subscribe & Save is available.
If you qualify for 15% off, the cost before taxes is $5.82.
Note, you must be logged into your account. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.