Invoicing tips & best practices.
Learn how to create professional invoices, get paid faster, and streamline your billing workflow.
Late Fee Letter Template: How to Charge (and Collect) Late Payment Penalties
Copy-paste late fee letter templates plus the legal rules in the US, UK, EU, India, Australia, Canada, and Singapore. Learn how much you can charge, when penalties kick in, and how to actually collect.
Proforma vs Commercial Invoice: What's the Difference and When to Use Each
A proforma invoice quotes — a commercial invoice bills. Learn exactly when to issue each, what to include, and how proformas work for customs, deposits, and international trade.
How to Create a Professional Invoice: The Complete 2026 Guide
Learn how to create a professional invoice step by step. This guide covers invoice essentials, formatting tips, payment terms, and common mistakes — with free templates and examples.
Invoice Payment Terms: Net 30 vs Net 15 vs Due on Receipt — What Works Best
Confused about invoice payment terms? Learn the differences between Net 30, Net 15, Due on Receipt, and other terms. Discover which terms get you paid fastest based on real-world data.