Guides
Learn invoicing, payments, and billing workflows for freelancers and small businesses.
Step-by-step course
Invoicing Guide
A 5-part course from your first invoice to basic accounting—work through it in order.
- IntroductionStart hereInvoicing is how you turn work into income. Start here to learn how to create invoices, get paid faster, and manage the money side of your business.
- How to Make InvoicesLearn how to make professional invoices step by step—what to include, how to write line items, set payment terms, and send bills that get paid faster.
- Getting PaidLearn how to get paid after you send an invoice—set clear payment terms, make paying easy, send reminders, and handle overdue invoices without damaging client relationships.
- Client BillingThere's no single right way to bill clients. Learn when to use deposits, progress invoices, recurring billing, retainers, payment plans, and statements.
- Running Your BusinessEvery invoice is business data. Learn how invoicing helps you understand cash flow, track payments, measure performance, and make smarter decisions.
Articles & Resources
All Guides
Explore our full library of guides on invoicing, payments, and financial management.
Invoice Follow-Up Best Practices: How to Get Paid Without Damaging Cus
Build a professional invoice follow-up process that gets you paid faster without straining client relationships—timelines, sample wording, and best practices.
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Working Capital Explained: What It Is and Why It Matters
Working capital is the cash your business can use right now. Learn what it is, how to calculate it with the formula, and how to improve it—with examples.
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Invoice Disputes: How to Resolve Them Professionally
A practical guide to resolving invoice disputes without damaging client relationships. Step-by-step responses, sample wording, and prevention tips.
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Payment Reconciliation Explained: What It Is and Why Every Business Sh
Payment reconciliation in plain English: what it is, why it matters, and a step-by-step process to match every payment to its invoice and bank deposit.
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Cash Application Explained: What It Is and Why It Matters
Cash application is how you match customer payments to the right invoices. Learn how it works, why it matters, and best practices to keep balances accurate.
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Accounts Receivable Turnover Ratio Explained
Learn what the accounts receivable turnover ratio is, how to calculate it with a worked example, what counts as a good ratio, and how to improve collections.
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Days Sales Outstanding (DSO) Explained
What is Days Sales Outstanding? Learn the DSO formula, a worked example, what counts as a good DSO, and practical ways to reduce it and get paid faster.
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Invoice Aging Reports Explained
Learn what an invoice aging report is, how to read the aging buckets, and how to use it to prioritize collections and get paid faster—with a sample report.
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Accounts Receivable for Small Businesses: The Complete Guide
A plain-English guide to accounts receivable for small businesses. Learn the AR process, key metrics, common mistakes, and how to get paid faster.
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How to Price Your Services: The Complete Guide
Learn how to price your services with confidence—pricing models compared, a step-by-step rate formula, worked examples, and how to raise prices.
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How to Read Financial Statements: A Beginner's Guide for Small Busines
Learn how to read the income statement, balance sheet, and cash flow statement—in plain English—and use them to make smarter business decisions.
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Gross Profit vs Net Profit: What's the Difference?
Gross profit shows if your work is profitable; net profit shows if your business is. Learn the difference, how to calculate each, and what the margins mean.
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Cash Flow for Small Businesses: The Complete Guide
A plain-English guide to small business cash flow—what it is, why it beats profit, 10 ways to improve it, how to forecast, and the metrics to track.
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Retainer Agreements Explained: How to Bill Clients on Retainer
Learn how retainer agreements work, the main types, how to invoice a retainer, and how they differ from recurring invoices, deposits, and progress billing.
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Payment Plans for Customers: The Complete Guide
How to offer customer payment plans that improve collections and protect relationships—when to use them, how to structure installments, and sample wording.
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Progress Invoicing Explained: How to Bill Large Projects in Stages
Progress invoicing lets you bill large projects in stages as work is completed—how it works, methods, a worked example, and how it differs from deposits.
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How to Request Deposits & Partial Payments
Learn when and how to request invoice deposits and partial payments, how much to ask for, and sample wording to get paid upfront without losing clients.
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Customer Statements: The Complete Guide
Learn what customer statements are, how they differ from invoices, what to include, and when to send them so you get paid faster. Examples and templates inside.
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Recurring Invoices: The Complete Guide to Automated Billing
Learn what recurring invoices are, when to use them, and how to automate billing to get paid on time. A practical guide for freelancers and small businesses.
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Pro Forma Invoice Explained: What It Is and When to Use One
A pro forma invoice communicates expected costs before payment is due. Learn what it is, when to use one, what to include, and how it differs from an invoice.
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Commercial Invoice Explained: What It Is and When You Need One
What a commercial invoice is, when it's required, and every field it must include—so your international shipments clear customs without delays.
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Receipt Explained: What It Is, When to Use One, and What to Include
Learn what a receipt is, when to issue one, what to include, and how it differs from an invoice and a payment confirmation—with a sample receipt and template.
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Purchase Order vs Invoice: What's the Difference?
Purchase order vs invoice explained simply: the buyer sends the PO to authorize a purchase, the seller sends the invoice to request payment. Full guide.
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Purchase Order Explained: What It Is, When to Use One, and How It Work
What is a purchase order? Learn how POs work, what they include, when you need one, and how they differ from quotes and invoices—with a real example.
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Credit Memo vs Credit Note: What's the Difference?
Credit memo vs credit note explained: they're the same document under two regional names. Learn when to issue one, what to include, and how it differs from a...
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Credit Notes Explained: What They Are and When to Use Them
Learn what a credit note is, when to issue one, and how it differs from an invoice, refund, and receipt—with examples and a step-by-step credit note template.
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Invoice Statuses Explained: Every Status and What It Means
Draft, sent, overdue, paid, void—learn what every invoice status means and exactly what to do next at each stage of the invoice lifecycle.
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Invoice vs Receipt: What's the Difference?
Invoice vs receipt, explained simply: an invoice asks for payment, a receipt proves it. Learn when to use each, what to include, and how they fit together.
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Invoice Number Guide: Best Practices, Examples & Numbering Systems
Learn how to number invoices the right way. Compare numbering systems, see real examples, avoid common mistakes, and build a format that scales.
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Estimate vs Quote: What's the Difference?
Estimate vs quote explained simply. Learn what each document means, when to use it, how they lead to an invoice, and which to send your customer first.
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Quote vs Invoice: What's the Difference? (Complete Guide)
Learn the difference between a quote and an invoice, when each becomes legally binding, and how both fit your sales workflow—with free templates and examples.
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Bad Debt Explained: What It Is and How to Reduce It
Learn what bad debt is, why invoices go uncollectible, how to spot the warning signs, and practical ways to reduce bad debt and protect your cash flow.
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How to Collect Unpaid Invoices: A Step-by-Step Guide
Recover unpaid invoices with a calm, step-by-step collections process—from friendly reminders to escalation—while protecting customer relationships.
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Collection Letter Templates: 10 Professional Examples for Every Situat
Free collection letter templates for every stage—from friendly reminder to final notice. Professional wording that gets you paid without burning bridges.
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How to Handle Overdue Invoices: The Complete Guide
A step-by-step guide to collecting overdue invoices professionally—when an invoice is late, how to follow up, when to escalate, and how to prevent it.
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Invoice Reminder Templates: 25 Professional Emails That Get Invoices P
25 free invoice reminder templates for every stage—from friendly nudges to final notices—plus when to send each one and how to get invoices paid faster.
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How to Accept Online Payments on Invoices
Learn how to accept credit card and ACH payments on invoices, compare methods and fees, cut payment friction, and get paid faster—step by step.
Read guideHow to Reduce Late Payments: 15 Proven Strategies That Work
Most late payments are preventable. Learn 15 proven strategies to reduce late payments, cut overdue invoices, and get customers to pay on time.
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Invoice Payment Terms: The Complete Guide (Net 30, Net 15, Due on Rece
Learn how invoice payment terms like Net 30, Net 15, and Due on Receipt work, how to choose the right ones, and how to get paid faster—with examples.
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Invoice-to-Cash Process Explained: How Businesses Turn Work Into Cash
The full invoice-to-cash process, from pricing to collected payment and reconciliation—every stage explained, with practical ways to get paid faster.
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How to Charge Late Fees on Invoices
Learn how to charge invoice late fees the right way—legal basics, fair rates, wording examples, and calculations that get you paid without losing clients.
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How to Get Paid Faster: 15 Proven Ways to Reduce Late Invoice Payments
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Invoice templates
Ready to bill? Pick the template that matches how you charge, fill it in, and download a PDF.