Where to Sell Calculator

Where to Sell Calculator

One order priced on all four channels, and the most you can spend winning a customer before the cheapest channel stops being the cheapest.

Free tool

Where to Sell Calculator

The same order on Amazon, eBay, Etsy and your own site. The fee spread is far wider than most sellers realise, and the number that matters is not which is cheapest but how much you can afford to spend winning a customer before the cheapest stops being cheapest.

The order
£
The same price everywhere, so it is like for like.
£
This decides whether your own site's monthly fee is worth paying.
What it costs you
£
£
Set to 0 for the Amazon line if you use FBA, since the fulfilment fee covers it.
£
%
0 if not registered. Every platform then adds 20 per cent to its fees that you cannot recover.
Amazon
%
Most categories. 25p minimum.
£
Your size tier. Set to your own pick and pack cost if you fulfil it yourself.
%
Charged on the Amazon fees, not on the sale.
eBay
%
£
%
Etsy
£
%
%
£
%
Your own site
£
Shopify, apps, hosting, the theme. The fixed cost the marketplaces do not have.
%
£
Most you can spend winning a customer

Fill in an item price to see the answer.

ChannelFeeShareYou keepA month

The buyer pays

Best marketplace

Your own site keeps this much more an order

Less the subscription, per order


Most you can spend on acquisition

as a share of the order

The subscription pays for itself at

Widest fee gap on this order

A marketplace fee is rent on somebody else's audience. Your own site is cheaper per order and every visitor is yours to find, which is what the acquisition figure prices.

Three things this comparison rests on

The fees are like for like because the price is. Selling the same item at different prices on different channels is a perfectly sensible strategy and it makes a fee comparison meaningless, so this holds the price still and moves only the channel.

VAT on platform fees ends up the same everywhere, by two different routes. Amazon and eBay charge VAT on their fees and a registered seller reclaims it. Etsy bills from Ireland, so the reverse charge applies and it never charges the VAT at all. Either way the fees cost face value when you are registered and a fifth more when you are not.

Your own site has a monthly cost the marketplaces do not, so its real rate depends on volume. At the order count above it works out per order and tells you the volume at which it starts paying for itself, which on a small shop is often the whole answer.

What none of this can see is traffic. A marketplace brings buyers and charges you for them; your own site charges almost nothing and brings nobody. The acquisition figure is exactly the price of that difference.

Take it further

Your whole range, in Excel

The workbook runs twelve products across all four channels at once, ranks each product by the channel that keeps most, and totals a month so you can see whether the answer is the same for everything you sell. It rarely is.

Download the workbook Free · no signup required · Excel or Google Sheets

FAQs

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We provide bookkeeping, VAT returns, payroll, tax filings, annual accounts, and advisory services — tailored to freelancers, SMEs, and ecommerce businesses.

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We’re certified partners with Xero and QuickBooks. Our digital-first approach means you’ll always have real-time access to your financial data.

We offer fixed monthly packages with no hidden fees. Pricing depends on your business size and the level of support you need — but you’ll always know exactly what you’re paying for.

Absolutely. We handle VAT, corporation tax, self-assessments, and payroll tax. We also manage HMRC correspondence on your behalf to ensure you never miss a deadline.

No. While many of our clients are London-based, we also support businesses across the UK and ecommerce sellers worldwide through our cloud-based systems.

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