Invoicing guides that actually help you get paid.
Free templates, copy-paste email scripts, and honest advice on payment terms, late fees, and the invoicing habits that separate freelancers who get paid on time from the ones chasing invoices every week.
Deposit Invoice: When and How to Charge Clients Upfront
How deposit invoices actually work, when to charge one, what percentage to ask for, and the exact wording that makes a non-refundable deposit enforceable.
Quote vs Estimate vs Invoice: What's the Actual Difference?
Quote, estimate, proforma, invoice — what each document means, when to send each, and the legal weight of each. With real examples and a decision tree.
Photographer Invoice Template: Wedding, Portrait & Commercial Examples
A free photographer invoice template with worked examples for wedding, portrait, and commercial shoots — plus the licensing line that prevents client disputes.
Freelancer Invoice Template: What to Include (With 3 Real Examples)
A free freelancer invoice template with the 10 fields every invoice needs, plus real examples for hourly, fixed-fee, and retainer billing.
Graphic Designer Invoice Template: What to Bill For (Line by Line)
A free graphic designer invoice template with line-item examples for brand, logo, and print work — plus the three lines designers forget to bill.
Web Developer Invoice Template: Hourly, Fixed, and Retainer Examples
Free web developer invoice template with line-item breakdowns for hourly billing, fixed-fee projects, and monthly retainers — plus how to structure milestones.
Plumber Invoice Template: Service Call, Labor, Parts & Warranty
A free plumber invoice template with line items for service calls, hourly labor, parts markup, and warranty language — plus the one line that reduces callbacks.
How to Write Your First Invoice: A Complete Beginner's Guide
Everything a first-time freelancer or small business owner needs to write a professional invoice — field by field, with a real example and free template.
How to Write a Professional Invoice Email (5 Copy-Paste Templates)
Five invoice email templates for sending a new invoice, retainer, milestone, reminder, and dispute — with the one-line subject that gets 40% faster payment.
How to Follow Up on an Unpaid Invoice: Email Scripts for Day 7, 14, 30, 60
Four copy-paste email scripts for chasing unpaid invoices at each stage, plus what to do when the client stops responding entirely.
Net 30 vs Net 60 vs Net 90: Which Payment Term Should You Use?
A plain-English comparison of Net 30, Net 60, and Net 90 payment terms — when each makes sense, what they actually mean, and how to pick the right one.
How to Charge Late Fees on Invoices Legally (US Guide + Global Notes)
What late fees you can legally charge on an overdue invoice, how to write them into your terms, and the exact wording that makes them enforceable.
Invoice Number Best Practices: Formats That Won't Bite You Later
How to number your invoices correctly — the three formats that work, the mistakes that break bookkeeping, and why you shouldn't start at INV-0147.