Amazon has the 12-Count Scott ComfortPlus Double Rolls Rolls Toilet Paper for $5.99 - 15% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $4.79 with free shipping on $35+ or with Prime. 

• Double Rolls have 231 sheets per roll. Septic-safe.