The dollar amount depends on call volume, miss rate, and average booking value. A home service contractor missing 5 calls per week at a $500 average ticket loses $2,500 in potential revenue weekly. A dental practice missing 3 new patient calls per week at a $400 average value loses $1,200 weekly. For higher-value businesses like law firms or remodeling contractors, a single missed call can represent $5,000 to $50,000 in lost opportunity.