Your phone books the job while you're on a job.
The call gets answered. The job gets booked for real. A confirmation email goes out. A check-in after a visit is extra. The product is the booking.
The call gets answered. The job gets booked for real. A confirmation email goes out. A bird's-eye map shows where the jobs and customers are. The built-in CRM takes the same job from estimate to invoice to paid through Stripe. A short check-in after service is extra. The product is the call that books the next job.