He says "waiting after scheduling an appointment", which to me seems to imply that the wait for scheduling the appointment is the part that takes time. E.g., your barber is booked up until a week from today, so you have to wait until the date of the closest appointment you managed to schedule comes up.
He says "waiting after scheduling an appointment", which to me seems to imply that the wait for scheduling the appointment is the part that takes time. E.g., your barber is booked up until a week from today, so you have to wait until the date of the closest appointment you managed to schedule comes up.