Buying guide

How to compare the real total cost of an online purchase

· Scout editorial guide

A practical method for comparing item price, delivery, condition and likely extras.

A low headline price can be attractive, but it is not always the cheapest way to complete a purchase. A useful comparison starts with the amount that will actually leave your account and then considers what you receive for it. Scout calls this the known total: the product price plus any delivery charge supplied by the retailer.

Start with comparable products

Check the model number, capacity, colour and included accessories before comparing prices. Two listings can use almost identical titles while referring to different storage sizes, generations or bundles. A bundle may cost more but include something you planned to buy separately; another may add items you do not need.

Add unavoidable charges

Delivery is the most visible extra, but installation, recycling, collection and required accessories can also alter the final cost. Treat an unknown delivery charge as unknown—not as free. Open the retailer page, enter the delivery postcode and confirm the basket total before choosing.

Give condition a financial value

Used, refurbished, open-box and new products should not be compared as though they were identical. Consider warranty length, return rights, cosmetic condition, battery health and missing packaging. A modest saving may not compensate for a shorter warranty or uncertain condition.

Use a simple decision record

This method takes a few minutes and makes misleading headline comparisons much easier to spot.

Retailer information can change. Confirm the exact product, current price, availability, delivery and returns terms on the retailer’s website before purchasing.