Invoicing

    Trip fee

    A flat charge to cover the cost of driving to the job site.

    Definition

    Common with mobile mechanics, locksmiths, and on-call HVAC techs. Trip fees usually credit toward labor if the job proceeds. Disclose the fee at booking — never as a surprise on the invoice.

    Related terms

    Service call fee

    A flat fee charged just for showing up and diagnosing the problem.

    Line item

    An individual charge on an invoice — one part, service, or fee per row.

    Mileage deduction

    Deducting the cost of business driving from taxable income.