100 Articles

Professional Resources

Practical guides on invoicing, pricing strategy, and running a successful freelance business.

3 min read

Major Update: 200 New Profession-Specific Tools Now Live

We just launched the biggest update in FluxInvoice history. Discover how our 200 new customized tools for freelancers, contractors, and agencies will streamline your billing.

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5 min read

How to Write an Invoice for Freelance Writing

Learn how to format a freelance writing invoice, what details to include, and how to make sure you get paid on time for your articles and copy.

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5 min read

How to Create a Professional Freelance Invoice

Learn the essential components every freelance invoice needs to get paid faster and look more professional to clients.

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6 min read

How to Set Your Freelance Hourly Rate (The Right Way)

Stop guessing what to charge. Learn the proven formula for calculating a freelance hourly rate that covers your taxes, expenses, and income goals.

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4 min read

Best Invoice Templates for Freelancers in 2026

A practical guide to choosing the right invoice format for your freelance work — from designers to consultants.

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4 min read

What Does Net 30 Mean on an Invoice?

Learn what Net 30, Net 15, and Net 60 payment terms mean on an invoice. Discover the pros and cons of offering Net 30 terms to your freelance clients.

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5 min read

Invoice vs Receipt: What's the Difference?

Learn the key differences between an invoice and a receipt, when to use each, and why both matter for your business records.

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5 min read

Invoice vs Estimate: Key Differences Explained

Not sure whether to send an invoice or an estimate? This guide breaks down the differences, when to use each, and best practices for freelancers.

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4 min read

How to Number Your Invoices Professionally

Learn the best invoice numbering systems for freelancers and small businesses, why sequential numbers matter, and how to avoid common mistakes.

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5 min read

How to Write a Professional Payment Receipt

Learn what to include on a payment receipt, how to format it correctly, and why issuing receipts protects your business and clients.

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8 min read

The Complete Freelance Invoicing Guide for Beginners

Everything freelancers need to know about invoicing: what to include, when to send invoices, payment terms, and how to get paid faster.

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7 min read

Small Business Invoicing Guide: Everything You Need to Know

A complete small business invoicing guide covering invoice templates, payment terms, tax requirements, and tips to get paid on time.

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6 min read

Contractor Billing Guide: How to Invoice Clients Professionally

Learn how contractors should invoice clients, what billing details to include, how to handle deposits, and tips for getting paid on time.

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7 min read

How to Calculate Your Freelance Hourly Rate in 2026

Learn how to calculate a freelance hourly rate that covers your expenses, taxes, and profit goals. Includes a step-by-step formula for 2026.

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6 min read

How to Create a Professional Estimate That Wins More Business

Learn how to write a professional project estimate that impresses clients, clearly outlines costs, and helps you win more work.

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6 min read

Invoice Payment Terms: A Complete Guide (Net 30, Net 60 & More)

Understand invoice payment terms like Net 30, Net 60, and due on receipt. Learn how to choose the right terms to get paid faster.

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5 min read

How to Send an Invoice via Email Professionally

Learn how to write a professional invoice email, what subject lines to use, when to follow up, and how to ensure your invoice gets paid on time.

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5 min read

What to Include on a Business Invoice: Complete Checklist

A complete checklist of everything you should include on a business invoice — from contact details to tax info — to get paid and stay compliant.

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6 min read

Photography Invoice Guide: How to Invoice Clients as a Photographer

Learn how to create professional photography invoices, what to charge, how to handle deposits, and get paid on time as a photographer.

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7 min read

Construction Estimate Guide: How to Write Accurate Estimates

Learn how to write accurate construction estimates that win bids and protect your profit margins. Includes what to include and common mistakes to avoid.

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6 min read

How to Invoice as a Freelance Designer

A complete guide for freelance designers on how to invoice clients, what to charge, how to handle revisions, and get paid on time.

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6 min read

Late Payment Invoice Guide: How to Handle Overdue Invoices

Learn how to handle overdue invoices professionally — from sending reminders to charging late fees and escalating to collections.

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3 min read

How to invoice a client who won't pay

Learn everything you need to know about how to invoice a client who won't pay in this comprehensive guide for freelancers and small businesses.

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4 min read

Best invoicing software for small business 2026

Learn everything you need to know about best invoicing software for small business 2026 in this comprehensive guide for freelancers and small businesses.

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6 min read

How to keep track of freelance invoices

Learn everything you need to know about how to keep track of freelance invoices in this comprehensive guide for freelancers and small businesses.

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5 min read

Do I need a business bank account for freelance invoices?

Learn everything you need to know about do i need a business bank account for freelance invoices? in this comprehensive guide for freelancers and small businesses.

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4 min read

What happens if I make a mistake on an invoice?

Learn everything you need to know about what happens if i make a mistake on an invoice? in this comprehensive guide for freelancers and small businesses.

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7 min read

How to write a professional invoice email

Learn everything you need to know about how to write a professional invoice email in this comprehensive guide for freelancers and small businesses.

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4 min read

Is it better to invoice weekly or monthly?

Learn everything you need to know about is it better to invoice weekly or monthly? in this comprehensive guide for freelancers and small businesses.

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4 min read

How to set up automated recurring invoices

Learn everything you need to know about how to set up automated recurring invoices in this comprehensive guide for freelancers and small businesses.

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3 min read

What is a pro forma invoice and when to use it

Learn everything you need to know about what is a pro forma invoice and when to use it in this comprehensive guide for freelancers and small businesses.

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4 min read

Difference between a quote and an estimate

Learn everything you need to know about difference between a quote and an estimate in this comprehensive guide for freelancers and small businesses.

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6 min read

How to charge late fees on overdue invoices

Learn everything you need to know about how to charge late fees on overdue invoices in this comprehensive guide for freelancers and small businesses.

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5 min read

Top 5 invoice design mistakes to avoid

Learn everything you need to know about top 5 invoice design mistakes to avoid in this comprehensive guide for freelancers and small businesses.

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5 min read

Should freelancers charge hourly or project-based?

Learn everything you need to know about should freelancers charge hourly or project-based? in this comprehensive guide for freelancers and small businesses.

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4 min read

How to invoice for travel expenses

Learn everything you need to know about how to invoice for travel expenses in this comprehensive guide for freelancers and small businesses.

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5 min read

What to do when a client disputes an invoice

Learn everything you need to know about what to do when a client disputes an invoice in this comprehensive guide for freelancers and small businesses.

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3 min read

How to send an invoice via text message

Learn everything you need to know about how to send an invoice via text message in this comprehensive guide for freelancers and small businesses.

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6 min read

Best ways to accept payments internationally

Learn everything you need to know about best ways to accept payments internationally in this comprehensive guide for freelancers and small businesses.

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4 min read

How to calculate sales tax on freelance services

Learn everything you need to know about how to calculate sales tax on freelance services in this comprehensive guide for freelancers and small businesses.

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7 min read

How to invoice for consulting services

Learn everything you need to know about how to invoice for consulting services in this comprehensive guide for freelancers and small businesses.

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4 min read

How to invoice for graphic design work

Learn everything you need to know about how to invoice for graphic design work in this comprehensive guide for freelancers and small businesses.

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3 min read

How to invoice for freelance writing

Learn everything you need to know about how to invoice for freelance writing in this comprehensive guide for freelancers and small businesses.

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3 min read

How to invoice for social media management

Learn everything you need to know about how to invoice for social media management in this comprehensive guide for freelancers and small businesses.

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7 min read

How to invoice as a virtual assistant

Learn everything you need to know about how to invoice as a virtual assistant in this comprehensive guide for freelancers and small businesses.

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5 min read

How to write an invoice for construction work

Learn everything you need to know about how to write an invoice for construction work in this comprehensive guide for freelancers and small businesses.

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7 min read

How to invoice for landscaping services

Learn everything you need to know about how to invoice for landscaping services in this comprehensive guide for freelancers and small businesses.

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3 min read

How to invoice for cleaning services

Learn everything you need to know about how to invoice for cleaning services in this comprehensive guide for freelancers and small businesses.

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3 min read

How to invoice for photography services

Learn everything you need to know about how to invoice for photography services in this comprehensive guide for freelancers and small businesses.

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4 min read

How to invoice for catering services

Learn everything you need to know about how to invoice for catering services in this comprehensive guide for freelancers and small businesses.

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7 min read

How to write a receipt for cash payment

Learn everything you need to know about how to write a receipt for cash payment in this comprehensive guide for freelancers and small businesses.

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3 min read

How to write a rent receipt

Learn everything you need to know about how to write a rent receipt in this comprehensive guide for freelancers and small businesses.

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6 min read

How to write a donation receipt

Learn everything you need to know about how to write a donation receipt in this comprehensive guide for freelancers and small businesses.

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6 min read

What is the difference between a receipt and a bill

Learn everything you need to know about what is the difference between a receipt and a bill in this comprehensive guide for freelancers and small businesses.

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6 min read

How long should you keep business receipts?

Learn everything you need to know about how long should you keep business receipts? in this comprehensive guide for freelancers and small businesses.

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4 min read

Can you write a receipt on a piece of paper?

Learn everything you need to know about can you write a receipt on a piece of paper? in this comprehensive guide for freelancers and small businesses.

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3 min read

Are electronic receipts legally valid?

Learn everything you need to know about are electronic receipts legally valid? in this comprehensive guide for freelancers and small businesses.

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5 min read

How to create a digital receipt

Learn everything you need to know about how to create a digital receipt in this comprehensive guide for freelancers and small businesses.

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4 min read

How to calculate net 30 payment terms

Learn everything you need to know about how to calculate net 30 payment terms in this comprehensive guide for freelancers and small businesses.

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4 min read

What does due upon receipt mean?

Learn everything you need to know about what does due upon receipt mean? in this comprehensive guide for freelancers and small businesses.

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5 min read

How to negotiate payment terms with clients

Learn everything you need to know about how to negotiate payment terms with clients in this comprehensive guide for freelancers and small businesses.

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6 min read

Should you ask for a deposit upfront?

Learn everything you need to know about should you ask for a deposit upfront? in this comprehensive guide for freelancers and small businesses.

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3 min read

How to politely ask for payment

Learn everything you need to know about how to politely ask for payment in this comprehensive guide for freelancers and small businesses.

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4 min read

Email templates for chasing unpaid invoices

Learn everything you need to know about email templates for chasing unpaid invoices in this comprehensive guide for freelancers and small businesses.

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5 min read

What is an invoice factoring company?

Learn everything you need to know about what is an invoice factoring company? in this comprehensive guide for freelancers and small businesses.

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7 min read

How to use invoice financing to improve cash flow

Learn everything you need to know about how to use invoice financing to improve cash flow in this comprehensive guide for freelancers and small businesses.

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6 min read

What is the difference between accounts receivable and payable

Learn everything you need to know about what is the difference between accounts receivable and payable in this comprehensive guide for freelancers and small businesses.

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7 min read

How to reconcile invoices with bank statements

Learn everything you need to know about how to reconcile invoices with bank statements in this comprehensive guide for freelancers and small businesses.

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6 min read

Best accounting practices for freelancers

Learn everything you need to know about best accounting practices for freelancers in this comprehensive guide for freelancers and small businesses.

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6 min read

How to prepare freelance invoices for tax season

Learn everything you need to know about how to prepare freelance invoices for tax season in this comprehensive guide for freelancers and small businesses.

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4 min read

What business expenses are tax deductible?

Learn everything you need to know about what business expenses are tax deductible? in this comprehensive guide for freelancers and small businesses.

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4 min read

How to track billable hours effectively

Learn everything you need to know about how to track billable hours effectively in this comprehensive guide for freelancers and small businesses.

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7 min read

Best time tracking apps for freelancers

Learn everything you need to know about best time tracking apps for freelancers in this comprehensive guide for freelancers and small businesses.

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4 min read

How to calculate a day rate from an hourly rate

Learn everything you need to know about how to calculate a day rate from an hourly rate in this comprehensive guide for freelancers and small businesses.

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5 min read

How to increase your freelance rates without losing clients

Learn everything you need to know about how to increase your freelance rates without losing clients in this comprehensive guide for freelancers and small businesses.

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4 min read

How to quote a freelance project

Learn everything you need to know about how to quote a freelance project in this comprehensive guide for freelancers and small businesses.

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4 min read

What to include in a freelance proposal

Learn everything you need to know about what to include in a freelance proposal in this comprehensive guide for freelancers and small businesses.

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7 min read

How to write a statement of work (SOW)

Learn everything you need to know about how to write a statement of work (sow) in this comprehensive guide for freelancers and small businesses.

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7 min read

What is a retainer agreement?

Learn everything you need to know about what is a retainer agreement? in this comprehensive guide for freelancers and small businesses.

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5 min read

How to invoice a client on a retainer

Learn everything you need to know about how to invoice a client on a retainer in this comprehensive guide for freelancers and small businesses.

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5 min read

How to manage multiple freelance clients

Learn everything you need to know about how to manage multiple freelance clients in this comprehensive guide for freelancers and small businesses.

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4 min read

How to handle scope creep in freelance projects

Learn everything you need to know about how to handle scope creep in freelance projects in this comprehensive guide for freelancers and small businesses.

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5 min read

What is a credit note and how to issue one

Learn everything you need to know about what is a credit note and how to issue one in this comprehensive guide for freelancers and small businesses.

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7 min read

How to process a refund for an invoice

Learn everything you need to know about how to process a refund for an invoice in this comprehensive guide for freelancers and small businesses.

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4 min read

What is a commercial invoice used for?

Learn everything you need to know about what is a commercial invoice used for? in this comprehensive guide for freelancers and small businesses.

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3 min read

How to write a commercial invoice for export

Learn everything you need to know about how to write a commercial invoice for export in this comprehensive guide for freelancers and small businesses.

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3 min read

What is a tax invoice?

Learn everything you need to know about what is a tax invoice? in this comprehensive guide for freelancers and small businesses.

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5 min read

How to write a tax invoice in Australia (GST)

Learn everything you need to know about how to write a tax invoice in australia (gst) in this comprehensive guide for freelancers and small businesses.

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3 min read

How to write a VAT invoice in the UK

Learn everything you need to know about how to write a vat invoice in the uk in this comprehensive guide for freelancers and small businesses.

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4 min read

How to write an invoice in the UAE

Learn everything you need to know about how to write an invoice in the uae in this comprehensive guide for freelancers and small businesses.

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5 min read

How to invoice clients in Canada

Learn everything you need to know about how to invoice clients in canada in this comprehensive guide for freelancers and small businesses.

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7 min read

How to invoice international clients from the US

Learn everything you need to know about how to invoice international clients from the us in this comprehensive guide for freelancers and small businesses.

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3 min read

Currency conversion tips for freelance invoices

Learn everything you need to know about currency conversion tips for freelance invoices in this comprehensive guide for freelancers and small businesses.

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5 min read

How to deal with currency fluctuations when invoicing

Learn everything you need to know about how to deal with currency fluctuations when invoicing in this comprehensive guide for freelancers and small businesses.

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4 min read

What is a purchase order (PO)?

Learn everything you need to know about what is a purchase order (po)? in this comprehensive guide for freelancers and small businesses.

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5 min read

Difference between an invoice and a purchase order

Learn everything you need to know about difference between an invoice and a purchase order in this comprehensive guide for freelancers and small businesses.

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3 min read

How to reference a PO number on an invoice

Learn everything you need to know about how to reference a po number on an invoice in this comprehensive guide for freelancers and small businesses.

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4 min read

What is a delivery challan?

Learn everything you need to know about what is a delivery challan? in this comprehensive guide for freelancers and small businesses.

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7 min read

What is a bill of lading?

Learn everything you need to know about what is a bill of lading? in this comprehensive guide for freelancers and small businesses.

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6 min read

How to create a packing slip

Learn everything you need to know about how to create a packing slip in this comprehensive guide for freelancers and small businesses.

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