78% of couples book a vendor within 24 hours of their first inquiry round. If you reply in 6 hours, the wedding is usually already booked.
Benchmark curve: 1h = 92% of ideal share, 2h = 78%, 4h = 58%, 6h = 44%, 12h = 25%, 24h = 12%. Base close rate 30%.
Open CLI: inquiry_speed.py in the repo.