18-Count Charmin Ultra Strong Clean Touch Toilet Paper (Family Mega Rolls) $15 at Amazon
Amazon has the 18-Count Charmin Ultra Strong Clean Touch Toilet Paper (Family Mega Rolls) for $16.40 - $1 off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) =
$14.58 with free shipping on $25+ or with Prime.
For you toilet paper aficionados keeping track:
18 Super Mega Rolls = 108 Regular Rolls
18 Family Mega Rolls = 90 Regular Rolls
18 Mega Rolls = 72 Regular Rolls
18 Giant Rolls = 47 Regular Rolls
18 Double Rolls = 36 Regular Rolls
18 Regular Rolls = 18 Regular Rolls
Original Source of Info