Right now if you head on over to Amazon you can grab 48 Double Rolls for $21.74 shipped when you choose the Subscribe and Save option and also clip the $1 off coupon.
The regular price was $38.76 and Amazon has it at $23.94 and if you Subscribe and Save it will take it down to $22.74 and then once you clip the $1 off coupon it will come down to $21.74. Remember that once your order has shipped you can change or cancel your Subscribe and Save items at anytime free of charge when you go to "your account". Also remember Amazon prices can change at anytime!
Since this would be $0.48 per double roll it would be $0.23 per single roll, shipped for free!