Amazon has the 18-Pack 1000-Sheets Scott 1000 Septic-Safe Toilet Paper for $15. Change to quantity 3 (54-Roll Total) to reach $45 - 25% off with coupon code B6A6A8C5 at checkout - 5% off with Subscribe & Save (can cancel at any time) = $31 with free shipping on $35+ or with Prime. $0.57 per roll.