I have a bidet a decent one with hot & cold settings it was $47 bucks. I purchased it about 3 months after purchasing way too much TP. Late 2020 my renter came home and said, "There's another run on TP, you might want to get some." I wasn't really paying much attention and purchased 2x 36 rolls per case of two ply restaurant grade coreless TP which is 1,000 sheets per roll. I put one of the cases in a public area for my renter to use.
TP purchased November 23, 2020 Bidet purchased on January 29, 2021
From Nov 23-Jan 29 I used two rolls, then from Nov 23 till today I've used 6. My renter who had their own bathroom with no bidet between Nov 23 and Apr 1 this year (when they moved out) used about 30 rolls.