Invoicing guides

• What to put on an invoiceThe details a clear invoice needs, in the order most people look for them, and what is optional.
• Payment terms explained: Net 7, Net 30 and due on receiptWhat common payment terms mean, how the due date is worked out, and how to choose one.
• Invoice, receipt, quote and estimate: what is the difference?Four documents that look alike and do different jobs, and which one to use when.
• How to number invoicesSimple invoice numbering that stays unique, readable and easy to look up.
• Late payment fees: how to add them to an invoiceHow to state a late fee on an invoice, why it must be agreed first, and how to chase an overdue payment.