Billing guides & invoicing tips.
Clear, practical guides to invoices, receipts, quotes and the documents that run a small business.
Credit Note vs Invoice: What’s the Difference
An invoice requests payment for a sale; a credit note reduces an amount already invoiced. See the difference, a worked example, and when you need each.
Purchase Order vs Invoice: What’s the Difference
A PO authorizes a purchase before it happens; an invoice requests payment after. See the difference, a worked example, and when you need each.
How to Calculate GST/HST on a Canadian Invoice
How to calculate GST or HST on a Canadian invoice: current rates by province, the difference between GST and HST, and the GST number rule people…
Money Receipt: What It Is and How to Make One Free
A money receipt is the same as a cash or payment receipt: proof that money was received. What it must show and how to make one…
How to Write a Cash Receipt (Step by Step + Example)
A cash receipt records who paid, how much, when, what for and who received it. Here is exactly what to include, a worked example, and the…
Commercial Invoice for Exports: What to Include and the Mistakes That Get Shipments Stuck
A commercial invoice is the main customs document for an international shipment. What it must include (HS codes, Incoterms, declared value) and the mistakes that delay…
What Is a Credit Note and When Should You Issue One?
A credit note reduces or cancels an amount owed on an invoice already sent: for returns, overcharges or cancellations. When to issue one, and why you…
What Is a Purchase Order? How POs Work and When You Actually Need One
A purchase order is the buyer's formal request to buy at an agreed price. It comes before the invoice. How POs work, the three-way match, and…
How to Create and Send an Invoice Online for Free (No Signup)
Create a professional invoice online in minutes: free, no signup, no watermark. A simple step-by-step workflow to fill it in, brand it, download the PDF, and…
Free Invoice Generator vs Invoicing Software: What You Actually Need
Not sure whether to use a free invoice generator or pay for invoicing software? An honest comparison by cost, features, privacy, and who each one actually…