Amazon has 24-Count Cottonelle Ultra GentleCare Toilet Paper Family Mega Rolls for $19.49 when you ‘clip’ the $9 off coupon located on the product page and checkout via Subscribe & Save (select the later date from the "First Delivery On" menu). Shipping is free.
Note, coupons are typically limited to one per account. You may cancel Subscribe & Save any time after your order ships.