PlumbersYou are under a sink or on a roof when the phone rings, and the caller books whoever answers first.HVACThe busiest days are the hottest and coldest ones, exactly when nobody has a free hand for the phone.Dental & medical clinicsFront desks are busy with patients in the room while new patients wait on hold or hang up.Hair salons & barbersYou cannot answer the phone with color on your hands, so the booking goes to the next salon.Contractors & landscapersQuote requests arrive while you are on a job site, and the first contractor to reply usually wins.Auto repair shopsThe phone rings while the service writer is at the counter and the mechanics have their hands full.