Invoice Guides

Clear explanations for freelancers and small businesses — plus links to the free generator.

What Is an Invoice? A Clear Guide for Freelancers & Businesses

Learn what an invoice is, what it should include, and how it helps you get paid professionally.

A practical walkthrough for creating an invoice online and downloading a PDF with Billora.

Understand when to send an invoice versus a receipt and how each document supports your records.

Net 30 means payment is due 30 days after the invoice date. Learn how to use it and when to choose Net 15 or Net 60.

Create a PDF invoice online without Word or paid software. Free generator with instant download.

Choose clear payment terms that set expectations and help you get paid on time.

Best practices for sending client invoices: details to include, timing, and follow-up tips.