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Invoice Guides

Simple, practical information to help freelancers and small businesses create clearer invoices and manage payment documents.

How to Track Your Invoices and Income

Track invoice status, overdue payments and income by client, with a free Excel tracker.

How to Keep Client Records for Invoicing

What client details to store for accurate invoices, with a free client list template.

Free Invoice Templates

Download free Word and Excel invoice templates, see a finished example, and choose a layout for your type of work.

How to Create an Invoice

A step-by-step guide to customer details, invoice numbers, line items, totals, payment terms, and sending a professional invoice.

How to Write an Invoice for Freelance Work

Hourly and project billing examples, deposits, milestone payments, due dates, and a practical pre-send checklist for freelancers.

Invoice vs. Receipt

Learn what each document does and when to use an invoice or a receipt.

What to Include on an Invoice

A practical checklist of the information customers need to understand and pay an invoice.

How to Calculate Invoice Totals Correctly

Worked examples for line totals, discounts, tax, deposits, balances due, and rounding.

Invoice Payment Terms Explained

Compare due-on-receipt, Net 7, Net 15, deposits, milestones, and overdue payment follow-ups.

How to Follow Up on an Unpaid Invoice Professionally

Polite reminder templates, a pre-send checklist, and practical next steps for delayed or disputed payments.

How to Invoice International Clients

Learn how to agree on currency, understand exchange rates and transfer fees, and check cross-border invoicing requirements.

Invoice Numbering: Simple Systems and Examples

Choose a consistent invoice number format, avoid duplicates, and keep records organized.