Extended Warranties: When the Add-On Is Pure Profit for the Seller
The extended warranty pitch at the checkout is one of retail's most reliable revenue streams, and one of consumers' least useful purchases.

The moment you agree to buy a television, a laptop, or a household appliance, a sales assistant is likely to offer you an extended warranty. The pitch is emotionally effective: you have just spent several hundred euros; paying a little more to protect that investment sounds rational. In practice, the maths rarely favours the buyer.
Manufacturers' warranties already cover defects in materials and workmanship for a statutory minimum period. In many markets, your rights under consumer law go further still, giving you remedies against the retailer for goods that are not of satisfactory quality, and these rights exist whether you pay for an extended warranty or not. Before signing up to any add-on plan, understand what you already have for free.
What Extended Warranties Typically Exclude
Read the small print carefully. Most extended warranty contracts exclude accidental damage, cosmetic damage, failures caused by 'misuse' (a definition that insurers interpret broadly), and repairs carried out by anyone other than an authorised service centre. The product faults most likely to appear after the manufacturer's warranty expires, gradual component degradation, software obsolescence, are also frequently excluded or handled only with significant excess charges.
The claims process is often designed to discourage use. You may be required to provide original purchase receipts, packaging, or a fault report from an authorised engineer before a claim is even assessed. Each step adds friction that causes many claimants to abandon the process.
A Better Approach to Product Protection
Consider setting aside the warranty premium into a dedicated savings account instead. Over several products and several years, that fund will likely cover any repair you actually need, and if you never need it, you keep the money. Some premium credit cards also offer automatic purchase protection or extended manufacturer guarantees as a cardholder benefit, worth checking before you buy.
If you do choose an extended warranty, compare standalone insurance products against the retailer's in-house plan. Third-party insurers are frequently cheaper for equivalent cover. And always ask specifically what the policy does not cover before you agree to anything.