Amazon: http://www.amazon.com/dp/B003WJBF0U?t=slicinc-20&tag=slicinc-20
has 3-Pack of 6-Count Charmin Ultra Strong Mega Rolls (18 Total) for $13.
54 after checking out via Subscribe & Save and Clipping $3 off coupon (found
on product page). Subscribe & Save subscription may be cancelled anytime
after order ships. Shipping is free