A party of four that never walks in burns a table for the whole turn. Run your numbers — see what empty seats cost per year.
Model: 15-30% no-show rate on reservations (industry range); 70% of parties reserve; 360 nights/yr; card-guarantee cuts no-shows 60-80%; confirmation texts 30-40%. Benchmark, not audit.
Open CLI behind this page: no_show_cost.py in the repo.