Does a bidet save money on toilet paper?
A bidet can reduce paper use, but most households still use some paper. Payback is most likely when current roll use or price is high and installation is inexpensive.
Bidet attachment, seat, or full fixture
Simple attachments usually have a lower entry cost. Electric seats add features but may require an outlet, professional work, and ongoing electricity. Full fixtures can make installation the largest cost.
Costs people overlook
Consider installation, an outlet if needed, water, electricity, filters, cleaning, repairs, and the toilet paper that remains. This calculator makes no health or hygiene claims.