Pricing, fees and the costs of running your business.
Thirty-two detailed guides to the decisions behind your calculations, with examples, input checklists and useful next steps.
Marketplace fees and seller tax assumptions
Understand Etsy, Amazon, eBay and Shopify charges, fee VAT, sales tax and the assumptions to check before pricing.
Explore these guides →Product pricing, margins and handmade costs
Price products using materials, labour, packaging and postage. Compare markup, margin, wholesale orders, bundles and discounts.
Explore these guides →Business costs, advertising and stock planning
Plan break-even sales, advertising limits, returns and inventory costs, with clear distinctions between contribution, forecasts and cash.
Explore these guides →Profit margin vs markup: formulas and pricing examples
Understand the difference between profit margin and markup, calculate both from the same costs, and avoid underpricing a product.
Read the guide →Contribution margin vs net profit for online sellers
See what contribution per order includes, which business costs remain, and how to use seller profit estimates without overstating net profit.
Read the guide →How to price a product with free shipping
Work out whether free postage fits your product margin, include packaging and seller fees, and compare one-item and multi-item orders.
Read the guide →How to include labour in handmade product pricing
Calculate making time per item, account for batch preparation and finishing, and check a handmade price after materials, labour and postage.
Read the guide →Etsy fees explained: UK and US seller profit inputs
Check listing, transaction, processing, postage, Offsite Ads and fee VAT assumptions before using an Etsy fee and profit calculator.
Read the guide →Amazon FBA profit: fees and costs to include
Build an Amazon FBA profit estimate using verified referral, fulfilment, storage and inbound charges, plus sourcing, advertising and return costs.
Read the guide →eBay seller fees: category, account and postage inputs
Choose applicable eBay final value and fixed fees, account for postage and promoted listings, and avoid double-counting payment processing.
Read the guide →How many extra sales does a discount need?
Calculate the extra orders needed after a discount, compare contribution before and after a sale, and check capacity and advertising costs.
Read the guide →How to calculate break-even sales for a small business
Separate fixed and variable costs, calculate break-even units, and test how price, fees and product mix change the orders you need.
Read the guide →How to calculate break-even ROAS from product costs
Find a break-even ROAS using revenue and non-ad costs, allow for overhead, and understand why revenue return alone does not prove profit.
Read the guide →How to calculate stock value and inventory holding costs
Separate the money tied up in stock from its carrying costs, compare buying quantities and plan for slower sales without inventing demand.
Read the guide →How to set a freelance hourly rate using billable hours
Allow for quoting, administration, leave and business costs when calculating a freelance rate, then test realistic paid hours and project scope.
Read the guide →How to calculate packaging cost per order
Cost boxes, envelopes, labels, tape and protective materials per saleable order, then check different basket sizes and packaging purchases.
Read the guide →How to calculate product return costs and a return allowance
Compare a returned order with a kept sale, include refunds and recoveries once, and turn that contribution difference into a return allowance.
Read the guide →How to set a wholesale minimum order quantity
Use unit contribution, order postage and handling time to set a wholesale minimum that covers costs without guessing a universal quantity.
Read the guide →How to allocate business overhead per product or order
Spread monthly overhead using a clear sales or time assumption, avoid double counting, and see how lower volume changes the cost per order.
Read the guide →VAT-inclusive prices and sales tax: separate tax from revenue
Understand entered VAT-inclusive and exclusive prices, keep marketplace-collected sales tax out of revenue, and use consistent cost assumptions.
Read the guide →VAT on Etsy and marketplace seller fees: pricing assumptions
Separate VAT charged on seller fees from VAT on a sale, understand the recovery assumption, and check fee statements before pricing products.
Read the guide →How to compare a product price increase or reduction
Compare contribution at different prices, include changing percentage fees, and calculate the order volume needed to maintain the same total.
Read the guide →How to price a product bundle after packaging and postage
Combine unit costs and shared order costs, calculate a bundle discount, and check whether extra items improve the amount left from each order.
Read the guide →How to compare product profit in GBP and USD
Keep currency conversion separate from fee-country selection, compare complete selling costs, and avoid mixing pounds and dollars in one calculation.
Read the guide →How to include wastage in cost per saleable unit
Calculate unit cost after rejects, damaged materials and production losses, then check yield changes without counting waste twice.
Read the guide →How much can you spend to acquire a product order?
Calculate an affordable advertising cost per order from contribution, leave room for overhead and profit, and assess the evidence before scaling.
Read the guide →How to include Shopify plan, app and payment costs
Separate Shopify payment processing, applicable third-party charges and monthly plan or app overhead when estimating product profit.
Read the guide →Cash flow vs profit: why a product can tie up cash
Understand the timing of stock purchases, payouts and bills, keep cash movements separate from order contribution, and test a slower-sales scenario.
Read the guide →How to price a quote with clear scope and costs
Include preparation, delivery, revisions and direct costs in a business quote, explain assumptions, and review actual work before repeating the price.
Read the guide →How to review small-business costs each month
Compare like-for-like monthly expenses, identify recurring changes and update product pricing assumptions without confusing forecasts with actual sales.
Read the guide →How to keep marketplace fee assumptions with a pricing decision
Record fee source dates, account conditions and manual overrides, preserve old reports, and compare new fees without rewriting the past.
Read the guide →How to price and plan a busy selling season
Compare order contribution with making, packing and dispatch capacity, test a realistic product mix, and avoid discount targets you cannot fulfil.
Read the guide →How discounts affect percentage fees and product profit
Recalculate percentage fees at the discounted price, retain fixed and fulfilment costs, and check promotion contribution with the actual shipping offer.
Read the guide →Etsy Offsite Ads profit: compare 12% and 15% charges
Compare Etsy order contribution with and without Offsite Ads, include postage and ordinary fees, and handle the USD fee cap with actual manual inputs.
Read the guide →Does Etsy charge fees on postage and shipping?
Understand Etsy fees on buyer delivery charges, separate seller postage costs, and compare free shipping with the same complete order price.
Read the guide →