Invoicing & Small Business Guides

Practical, plain-English guides for freelancers and small businesses. 40 guides so far.
Document basics

Document basics

Quotes, invoice numbers and the core documents behind every bill you send.

๐Ÿ“„How to Create an Invoice: A Step-by-Step Guide
5 min readHow to Create an Invoice: A Step-by-Step GuideWhat to include on an invoice and how to create a clear, professional one in minutes.Read guide โ†’
๐ŸงพInvoice vs Receipt vs Estimate: What Is the Difference?
3 min readInvoice vs Receipt vs Estimate: What Is the Difference?Understand when to use an estimate, an invoice and a receipt, and how they fit together.Read guide โ†’
๐Ÿ”ขInvoice Number Guide: How to Number Your Invoices
3 min readInvoice Number Guide: How to Number Your InvoicesLearn how to number invoices the right way, compare numbering formats and avoid common mistakes.Read guide โ†’
๐Ÿ“‘Quote vs Invoice: What Is the Difference and When to Use Each
5 min readQuote vs Invoice: What Is the Difference and When to Use EachHow quotes, estimates and invoices differ, how they work together on a real job, and mistakes to avoid.Read guide โ†’
๐Ÿ“Estimate vs Quote: Which One Should You Send?
5 min readEstimate vs Quote: Which One Should You Send?How fixed-price quotes, estimates and capped pricing split the risk, with wording for each and what to do when a job grows.Read guide โ†’
โ†ฉ๏ธCredit Notes Explained: When and How to Issue One
4 min readCredit Notes Explained: When and How to Issue OneWhat a credit note is, what it must contain and how to correct an invoice without editing it.Read guide โ†’
๐Ÿ“‹Purchase Orders: How They Work and What to Include
4 min readPurchase Orders: How They Work and What to IncludeHow purchase orders fit into buying, what to put on one and how to match it with the supplier's invoice.Read guide โ†’
๐ŸŒProforma Invoice Explained: What It Is and When to Use One
4 min readProforma Invoice Explained: What It Is and When to Use OneHow a proforma invoice differs from a quote and a commercial invoice, with an export example.Read guide โ†’
๐Ÿ“ฆPacking Slips Explained: What to Include and Why
4 min readPacking Slips Explained: What to Include and WhyWhat a packing slip contains, how it differs from an invoice, and how ordered and shipped quantities prevent disputes.Read guide โ†’
๐Ÿ”€Invoice vs Bill: Same Document, Two Points of View
4 min readInvoice vs Bill: Same Document, Two Points of ViewHow the same document is an invoice for the seller and a bill for the buyer, and how to handle each side.Read guide โ†’
๐ŸงพReceipts: What to Include and When to Issue One
4 min readReceipts: What to Include and When to Issue OneWhat a receipt must show, how it differs from an invoice and proof of payment, and how to record partial payments.Read guide โ†’
Getting paid

Getting paid

Payment terms, reminders and practical ways to collect what you are owed.

๐Ÿ’ณInvoice Payment Terms Explained: Net 30, Net 15 and Due on Receipt
4 min readInvoice Payment Terms Explained: Net 30, Net 15 and Due on ReceiptWhat common payment terms mean, how to choose the right one and how to write late payment terms.Read guide โ†’
๐Ÿ’ธHow to Get Paid Faster: 10 Practical Steps
6 min readHow to Get Paid Faster: 10 Practical StepsTen proven ways to get paid sooner, from clear terms and deposits to easier payments and a follow-up routine.Read guide โ†’
โฐInvoice Late Fees: How to Charge Them Fairly
4 min readInvoice Late Fees: How to Charge Them FairlyHow late fees work, how to calculate them, how to word the clause and when to use alternatives.Read guide โ†’
๐Ÿ“งInvoice Follow-Up: A Simple Timeline and Examples
3 min readInvoice Follow-Up: A Simple Timeline and ExamplesA calm, consistent follow-up process with a timeline, example wording and tips for each stage.Read guide โ†’
๐ŸDeposits and Milestone Billing: Getting Paid as You Go
5 min readDeposits and Milestone Billing: Getting Paid as You GoHow to ask for deposits, split a project into milestone payments and write it into your agreement.Read guide โ†’
๐Ÿ›ก๏ธHow to Reduce Late Payments Before They Happen
5 min readHow to Reduce Late Payments Before They HappenMeasure how late you are paid, understand why, and change terms, invoices and clients to prevent delays.Read guide โ†’
๐Ÿ“žHow to Collect Unpaid Invoices Step by Step
5 min readHow to Collect Unpaid Invoices Step by StepFrom a phone call and payment plan to a formal demand: how to escalate an overdue invoice and keep your evidence in order.Read guide โ†’
๐Ÿ’ปHow to Accept Online Payments on Your Invoices
4 min readHow to Accept Online Payments on Your InvoicesCompare bank transfers, cards, direct debit and payment links, and understand fees, speed, security and refunds.Read guide โ†’
๐Ÿ’ตCash Flow Basics for Small Business
4 min readCash Flow Basics for Small BusinessWhy profit is not cash, how to build a simple forecast and the habits that keep money in the bank when bills fall due.Read guide โ†’
Pricing & profit

Pricing & profit

Margins, markups and pricing decisions that protect your profit.

๐Ÿ“ˆMarkup vs Margin: How to Price Without Losing Profit
5 min readMarkup vs Margin: How to Price Without Losing ProfitWhat markup and margin mean, how to convert between them, and how fees and discounts change your real profit.Read guide โ†’
โš–๏ธBreak-Even Analysis: How Many Sales Do You Need?
5 min readBreak-Even Analysis: How Many Sales Do You Need?Work out how many sales cover your costs, set a profit target and see which levers move the break-even point.Read guide โ†’
๐Ÿ’ผHow to Price Your Freelance Work: An Hourly Rate Guide
5 min readHow to Price Your Freelance Work: An Hourly Rate GuideWork out an hourly rate from the income you need, your costs and the hours you can really bill, then turn it into fixed prices.Read guide โ†’
๐Ÿท๏ธHow to Price a Product: A Step-by-Step Guide
4 min readHow to Price a Product: A Step-by-Step GuideWork from full unit cost to a price that holds up against fees, wholesale orders and discounts.Read guide โ†’
๐ŸฌWholesale Pricing Guide: Margins, Minimums and Terms
4 min readWholesale Pricing Guide: Margins, Minimums and TermsHow to set a wholesale price that works for you and the retailer, with minimum orders, tiers and the costs that are specific to wholesale.Read guide โ†’
๐ŸŽฏDiscounts Without Losing Margin
4 min readDiscounts Without Losing MarginHow to test a discount, how much extra volume it needs and which types of discount earn their cost.Read guide โ†’
๐Ÿ“How to Quote a Project: A Repeatable Method
4 min readHow to Quote a Project: A Repeatable MethodFrom scope and task estimates to overhead, profit and buffers: a worked quote and how to present it.Read guide โ†’
Inventory & operations

Inventory & operations

Stock levels, ordering and the numbers behind your inventory.

๐Ÿ”„Reorder Point and Safety Stock Explained
5 min readReorder Point and Safety Stock ExplainedHow to work out when to reorder, how much safety stock to hold, and how EOQ decides the order size.Read guide โ†’
๐Ÿ”Inventory Turnover: What It Is and How to Improve It
5 min readInventory Turnover: What It Is and How to Improve ItHow to calculate inventory turnover, what a good number looks like and practical ways to release cash tied up in stock.Read guide โ†’
๐ŸงฎCost of Goods Sold Explained
4 min readCost of Goods Sold ExplainedWhat COGS includes, how to calculate it, and how FIFO and average costing change the result.Read guide โ†’
๐Ÿท๏ธSKU System Guide: How to Name and Number Your Products
3 min readSKU System Guide: How to Name and Number Your ProductsHow to build a clear, consistent SKU structure, handle variants and avoid common spreadsheet and numbering mistakes.Read guide โ†’
๐Ÿ“Economic Order Quantity (EOQ) Explained
4 min readEconomic Order Quantity (EOQ) ExplainedHow to find the order size that balances ordering and holding costs, with a worked example and the limits of the formula.Read guide โ†’
๐ŸญInventory Carrying Costs: The Hidden Price of Stock
4 min readInventory Carrying Costs: The Hidden Price of StockThe five parts of carrying cost, how to find your own rate and how to reduce what stock costs you.Read guide โ†’
๐Ÿ”–Barcode Basics: Types, Numbers and Printing
4 min readBarcode Basics: Types, Numbers and PrintingThe difference between UPC, EAN, Code 128 and QR codes, how check digits work and how to print labels that scan.Read guide โ†’
๐Ÿ”Inventory Counts and Cycle Counting
4 min readInventory Counts and Cycle CountingHow to count stock, calculate variances and shrinkage, and keep your records in step with the shelf.Read guide โ†’
Templates

Templates

Ready-to-use formats for the documents you send most.

๐ŸงพExpense Tracking for Small Business
3 min readExpense Tracking for Small BusinessA simple routine for recording receipts, categories and monthly totals so you know where the money goes.Read guide โ†’
โœ‰๏ธInvoice Reminder Templates for Every Stage
5 min readInvoice Reminder Templates for Every StageNine ready-to-use payment reminder messages, from a friendly heads-up to a final notice, with subject lines and tone tips.Read guide โ†’
๐Ÿ“ŠFinancial Statements Basics for Small Business
4 min readFinancial Statements Basics for Small BusinessThe income statement, balance sheet and cash flow statement explained with one worked example and simple ratios.Read guide โ†’
๐Ÿง‘โ€๐Ÿ’ปFreelancer Invoicing: A Practical Guide
4 min readFreelancer Invoicing: A Practical GuideHow to set up invoicing, choose a billing model, describe your work and keep payments moving as a freelancer.Read guide โ†’
๐Ÿ—‚๏ธInvoice Templates by Profession: What to Include
4 min readInvoice Templates by Profession: What to IncludeWhat to put on invoices for designers, consultants, contractors, photographers, tutors, sellers and agencies.Read guide โ†’