Should You Bill a Flat Rate or Hourly?
Use a design order example to compare flat-rate and hourly income and evaluate each method's risks. Establish revision limits, agree on fee caps and mixed billing, and decide based on scope.
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Invoices
Learn about the purpose of invoices, necessary invoice information and invoice formatting. View document examples, payment directions and reminder emails. Understand when to use each document and learn about invoicing and collections planning in 25 guides.
25 practical guides
Start with the question you have today
How to Invoice for Services
Use examples of fixed fees, hourly billing and reimbursable costs for design, consulting, repairs and other services. Enter service details, rates, tax, client information and payment terms.
How to Format an Invoice
Use a real invoice template example to format business details, itemized charges, totals, advance payments and payment directions with a clear hierarchy for mobile reading and PDF printing.
Which Invoice Payment Terms Should You Use?
Use real dates, installment examples and copy-ready payment directions to understand Net 30, payment methods, advance payments and the final balance. Plan late-payment follow-up, discounts and dispute handling.
Commercial Invoice: Meaning and Example
Understand the commercial invoice's importance in customs clearance. Use a shipment example to review buyer and seller details, goods, quantities, values, origin, trade terms and customs fields that may be required, checking them against shipping documents.
Bill or Invoice: What’s the Difference?
Compare timing, detail, payment expectations and accounting viewpoints when paying suppliers and collecting from clients. Understand the difference between bills, invoices, receipts and statements without using their names to determine payment status.
What Does Freelance Invoice Software Need?
Select invoicing software for fixed-price work, hourly billing, advance payments and international payment collection. Use a trial checklist to evaluate client management, templates, mobile access, cost, exports, the client experience and the invoicing process.
What Does Contractor Invoice Software Need?
Use the job sheet to evaluate labor, materials, client information, tax, advance payments, changes, PDFs, recordkeeping and field use. Compare ordinary invoices, progress billing and construction payment applications to decide whether the software fits your work.
How to Make an Invoice Template
Compare Word, Excel, PDF and online invoice templates. Build reusable business and client data, a breakdown of charges, totals, payment directions and a clear layout without transferring errors from old documents.
How Does Mobile Invoicing Work?
Plan mobile invoicing, client confirmation and payment recording from the end of a site visit through to sending the PDF. Evaluate phone and tablet capabilities, network limitations, record security and storage.
How to Handle Outstanding Invoices
Tell the difference between overdue and outstanding, and check what is stopping payment. Use three email examples to help with reminders, direct contact, payment plans and follow-up. Note the date the client agreed to pay.
How to Make a Purchase Order Template
In a supplies purchase, enter the PO's buyer and seller information, line items, totals, delivery terms, unique number and approval information. Use flexible order wording to reduce missed or incorrect deliveries.
What Is an Electronic Invoice?
Compare emailed PDFs, system-readable structured invoices and local tax e-invoices. Confirm the format, delivery method and receipt status before moving to a system.
Invoicing Guide for Freelancers
When accepting freelance work, define the scope, price and revision process. Plan invoice numbering, service descriptions, tax, advance payments and the final balance. Coordinate with the client's accounting team, get your paperwork in order and track payment.
Invoice Number: Examples & Free Generator
Learn the purpose of invoice numbers and compare sequential, year-based and client-based numbers. Handle duplicates, voiding and corrections, then use the free number generator to create a unique reference for your next invoice.
How to Design a Professional Invoice
Use real invoices to organize information, brand details, itemized charges, fonts, colors and whitespace. Make the invoice easy to read on mobile and in print, with the payment action easy to find so design does not get in the way of payment.
How to Create an Invoice
Use a complete example to enter the agreed work, customer billing information, service line items, advance payments, dates and payment directions. Prepare the invoice to send with sample email copy you can modify.
What Is a Pro Forma Invoice?
Learn how sellers use pro forma invoices for transaction confirmation, purchase approval and advance payment arrangements. Compare them with quotes and final invoices, and check the information to include, validity period and conditions pending confirmation.
Purchase Order vs Invoice: Key Differences
Use a purchase example to compare who issues the PO and invoice, their timing, purposes and accounting roles. Check the order, goods received and invoice for differences in quantity, price and split deliveries.
What Is a Purchase Invoice?
Learn about purchase invoices as a buyer and compare them with purchase orders and sales invoices. Verify orders, deliveries, amounts and payment accounts. Log transactions to prevent duplicate payment and avoid leaving outstanding balances unrecorded.
Invoice or Receipt: What’s the Difference?
Use complete advance-payment and final-payment examples to compare when payment is requested and received, document details, purposes and the relationship with payment. See which received amount, balance and related reference to record.
What Is an Invoice?
Use a client order to tell apart invoices, quotes and receipts. Learn the purpose of invoicing and how to record amounts, payment dates and payment information. Follow the document from issue through approval to payment.
How Does Progress Billing Work?
Use a cumulative-value example to work out the current construction progress payment. Tell apart completed, certified and paid amounts, stored materials, retainage and previous payments to prevent duplicate payment requests.
How Does Construction Retainage Work?
Use a calculation example to learn about construction retainage, cumulative withholding and release records. Tell apart retainage and overdue amounts. Check contract percentages and conditions, approval records and evidence for the balance.
What Is a Payment Application?
Organize the contract sum, schedule of values, changes, cumulative work, retainage, evidence and current amount requested. Understand the review process and when an ordinary invoice is relevant.