The document provides instructions on how to bill and invoice customers using the Dispatch app, including how to find and create estimates and invoices from within appointments, how to add line items and totals to estimates and invoices, and how to send estimates and invoices to customers via email or signature. Technicians and dispatchers can create estimates to provide customers cost quotes and invoices to bill for completed work directly from the app while in the field. The document also provides contact information for getting help with billing and invoicing in Dispatch.