Amazon offers 36 Scott Extra Soft Bath Tissue Double Rolls for $16.47. Clip the $1 off coupon (directly under the product price to cut it to $15.47. Plus, Prime members qualify for free shipping. (Non-Prime members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $11.25.) That's $0.43 per roll and the lowest total price we could find for this quantity by $10, although it was pennies less in February.