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.
- Introduction Start here Invoicing 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 Invoices Learn 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 Paid Learn 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 Billing There's no single right way to bill clients. Learn when to use deposits, progress invoices, recurring billing, retainers, payment plans, and statements.
- Running Your Business Every invoice is business data. Learn how invoicing helps you understand cash flow, track payments, measure performance, and make smarter decisions.
Payment collection
Getting paid
Payment terms, reminders, and proven tactics to collect what you're owed faster.
How to Get Paid Faster
Learn 15 proven ways to get paid faster, reduce late invoice payments, and protect cash flow—from clear terms to automatic reminders and online payments.
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How to Reduce Late Payments
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
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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Accept Online Payments
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.
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Invoice Late Fees
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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Invoice Follow-Up
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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Invoice Reminder Templates
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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Overdue Invoices
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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Collection Letter Templates
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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Collect Unpaid Invoices
Recover unpaid invoices with a calm, step-by-step collections process—from friendly reminders to escalation—while protecting customer relationships.
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Bad Debt
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.
Read guideDocument basics
Invoice fundamentals
Quotes, invoice numbers, and the core documents behind every bill you send.
Quote vs Invoice
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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Estimate vs Quote
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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Invoice Number Guide
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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Invoice vs Receipt
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 Statuses
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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Credit Notes
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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Credit Memo vs Credit Note
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 refund.
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Purchase Order
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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Purchase Order vs Invoice
Purchase order vs invoice explained simply: the buyer sends the PO to authorize a purchase, the seller sends the invoice to request payment.
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Receipt
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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Commercial Invoice
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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Pro Forma Invoice
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.
Read guideOngoing clients
Client billing
Manage ongoing client relationships with deposits, progress billing, recurring invoices, payment plans, retainers, and customer statements.
Recurring Invoices
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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Customer Statements
Learn what customer statements are, how they differ from invoices, what to include, and when to send them so you get paid faster—with examples.
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Invoice Deposits
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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Progress Invoicing
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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Payment Plans
Learn 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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Retainer Agreements
Learn how retainer agreements work, the main types, how to invoice a retainer, and how they differ from recurring invoices, deposits, and progress billing.
Read guideBusiness finance
Running your business
Cash flow, accounts receivable, invoice disputes, and the financial basics that keep your business healthy.
Cash Flow
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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Gross Profit vs Net Profit
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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How to Read Financial Statements
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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How to Price Your Services
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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Accounts Receivable
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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Invoice Aging Report
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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Days Sales Outstanding
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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Accounts Receivable Turnover
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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Cash Application
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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Payment Reconciliation
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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Invoice Disputes
A practical guide to resolving invoice disputes without damaging client relationships. Step-by-step responses, sample wording, and prevention tips.
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Working Capital
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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Revenue Forecasting
Learn simple revenue forecasting methods for small businesses—with worked examples and templates to plan cash flow and grow with confidence.
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