“What will you do when toilet paper becomes scarce?”
Use the big phone books I have stored for that purpose. They substitute for the Sears catalog people used to use. If toilets still work, put the used phone book page in a bag as it shouldn’t go down the toilet.
I have copies of the Obamacare bill (all 2000 pages of it) on 2-ply. Then there are the korans in the corner...