Fundamentals
How to Create a Professional Invoice: Complete Guide
The fields, dates, numbering and checks that make an invoice professional — with a worked example, a due-date calculation and a pre-send checklist.
24 September 2026 · 6 min read
From the blog
In-depth, practical guides on invoicing, VAT and getting paid.
Fundamentals
What Should an Invoice Include? The Complete 12-Point Checklist
A field-by-field invoice checklist: the 12 things clients check, the VAT details the law adds for vendors, and the mistakes that delay payment.
24 September 2026 · 6 min read
Tax & VAT
VAT Invoice Requirements in South Africa — 2026 Guide
What a valid South African tax invoice must show, the 2026 registration thresholds, the 15% rate, and a worked example — SARS sources checked September 2026.
24 September 2026 · 7 min read
Fundamentals
Invoice vs Receipt: What's the Difference?
An invoice asks for payment; a receipt proves it arrived. When each document is issued, where deposits fit, and the mistake that costs freelancers money.
24 September 2026 · 5 min read
Payments & Terms
How to Write an Invoice That Gets You Paid Faster
Payment speed is decided before the due date: send the same day, quote the right reference, and make one number the answer — plus a polite reminder schedule.
24 September 2026 · 6 min read
Fundamentals
How to Number Invoices Correctly
Continuous, year-prefixed, or type-prefixed — three numbering schemes that survive audits, the habits that keep a series clean, and what to do across year-end.
24 September 2026 · 6 min read
Tax & VAT
How to Calculate VAT on an Invoice
Add VAT at 15%, take it out of an inclusive price without the classic mistake, and apply discounts in the right order — worked calculations, step by step.
24 September 2026 · 6 min read
Business & Tools
How to Invoice as a Freelancer or Self-Employed Professional
The freelance invoicing setup: ten minutes in settings, deposits and retainers that protect cash flow, and habits that keep the admin invisible.
24 September 2026 · 6 min read
Tax & VAT
How Small Businesses Should Keep Invoice Records
What to keep, how to file it, and how long it must survive — a records system for a small business that takes minutes a month, not a filing cabinet.
24 September 2026 · 6 min read
Fundamentals
How to Create an Invoice for Products and Services
Goods and services bill differently: units, stock versus hours, itemising versus bundling — a practical guide to line items that survive scrutiny.
24 September 2026 · 6 min read
Payments & Terms
Invoice Payment Terms Explained: Net 7, Net 15, Net 30 and More
Net 7, Net 15, Net 30 and the rest — what each term means, how to pick one, and how to write terms so the due date is never a debate.
24 September 2026 · 6 min read
Payments & Terms
How to Handle Discounts on an Invoice
Percentage or fixed, line or whole document, before or after VAT — how to give a discount that reads clearly and cannot be misread later.
24 September 2026 · 5 min read
Business & Tools
How to Create a Quote and Convert It Into an Invoice
Quote first, invoice on approval: what belongs on a quote, how acceptance works, and the two-minute conversion that keeps both documents honest.
24 September 2026 · 6 min read
Business & Tools
Paper Invoices vs Digital Invoices
Paper or PDF? The real trade-offs for small businesses — delivery proof, storage, client processes — and the hybrid most businesses actually run.
24 September 2026 · 5 min read
Business & Tools
Free Invoice Generator Guide: Create, Check and Download an Invoice
What a good free invoice generator does, what it should never ask of you, and a six-step walkthrough from blank document to A4 PDF — no account needed.
24 September 2026 · 6 min read