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Kairosfy Observatory · 14/11/2026

Average cost by category, from €10.23 to €264.74

The catalogue average is €56.56. Ten categories with more than 500 products sit well below it, and a few sit far above. The distance between them says more about how to price than the single average does.

2 min read · Kairós Shop, Portugal

The ten lowest averages

Among the categories with more than 500 products, the lowest average cost is bath and personal hygiene at €10.23. Then boys €12.74, bondage €15.98, girls €16.17, bath €19.24, pens, pencils and writing €19.48, hardware €19.57, arts and crafts €20.24, feeding accessories €21.43 and hair care €22.42.

The spread inside this list is €12.19, from €10.23 to €22.42, which is narrow next to the catalogue average. These are the parts of the catalogue where the products themselves cost little, so the decision about price is mostly a decision about the fee and the shipping.

Measured against €56.56

Bath and personal hygiene at €10.23 is 18.1% of the catalogue average, €46.33 below it. Hair care at €22.42 is 39.6%, €34.14 below. Even the highest average in this group stays under 40% of the catalogue average.

A low average cost is not a low price. It means the products cost you less, so less capital is tied up in any single listing and the absolute amount left after a sale is thinner unless the sale price is well above cost.

The other end of the range

Data storage has an average cost of €264.74, which is 4.68 times the catalogue average. Accessories is at €97.70, 1.73 times. Hand and power tools is at €70.93 and cabling and connectivity at €67.95, both around 1.2 times.

For those categories the shipping cost is the part to check first. The standard table covers the normal case, and each order is settled at the real cost of the shipment, so heavier items can cost more than the published route price.

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What an average is good for

An average gives you a starting point for a first sale price: add the fee, the shipping of the route you expect, and a margin, then check whether the price is still plausible next to similar listings.

It does not tell you what any one product costs, and it does not tell you what a customer will pay. The calculator lets you test a specific price instead of an average one.

Frequently asked questions

What is the average cost of a catalogue product?
€56.56 across the 57,707 products analysed. That is a mean, so the €11,596 products above €50 and the €18,319 below €10 both pull on the figure.

Which category has the lowest average cost?
Bath and personal hygiene, at €10.23, among the categories with more than 500 products. The highest of that group is hair care at €22.42.

Does a low average cost mean a low sale price?
No. Cost and price are separate numbers: you set the price. A low cost makes a low price easier to sustain, but the fee, the shipping and the margin still have to fit inside it.

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Keep reading

What to sell: reading 57,707 products The 18,319 products under €10 Ten categories, 30,643 products What is left from a €30 sale ← The whole Observatory