Is that bundle a bargain? Price the extras you actually want

Start with the exact base product

Write down the full model and variant before comparing prices: console generation and edition, phone storage, vacuum model and cleaning heads, or charger output and included cable. Names such as 'Pro', 'Plus' and 'Complete' can identify different products or packages. A similar photograph does not establish a match.

A product identifier can help. GS1 explains that product variations, including different size and colour combinations, require their own GTINs. Where identifiers are provided, use them alongside the manufacturer specification. A matching number is useful evidence, but still read condition and bundle contents: a retailer may describe a package or selection inaccurately.

Sources: GS1: GTINs for size and colour variations

Value useful extras at an available alternative price

Illustrative example, not a current console offer: the console you want is £300 delivered, your chosen game is £35 and a suitable case is £12. Buying those separately costs £347. A £340 delivered bundle containing those exact items saves £7. The result does not become £60 just because the shop quotes higher RRPs for the extras.

If you do not want the case, your intended separate purchase is £335. The £340 bundle costs £5 more than the things you planned to buy. Do not count an unwanted accessory at its full selling price, or assume you will recover that amount by reselling it. If resale matters, treat its costs and uncertain proceeds as a separate calculation.

The format and compatibility can change the value

For a game, check whether the bundle includes a physical copy, a download or a subscription. Nintendo's current UK bundle page identifies the included game format for each listed package. A download suits some buyers; it is a different purchase from a physical copy if you planned to lend or resell a cartridge. Read the exact package rather than assuming all bundles use the same format.

Accessories need the same scrutiny. Nintendo states that Switch 2 requires microSD Express for game storage; a standard microSD card is not equivalent for that job. A headline '256GB card included' does not establish that the accessory does what you need. Verify the card type and the manufacturer's compatibility instructions before assigning it any value.

Sources: Nintendo UK: Switch 2 bundles · Nintendo UK: microSD compatibility

Compare the complete setup you will use

For a vacuum, a £20 saving is less helpful if the package lacks the floor head you need. For a desk charger, a missing compatible cable can change the total. Price an essential missing part separately, confirm it fits, then add it to the cheaper package. If it is unavailable, the two offers are not useful substitutes for your intended setup.

For multipacks, compare price per usable unit as well as the total. Three items for £18 is £6 each, but it is still an £18 purchase if you only need one. Check sizes, quantities and expiry where relevant. More items in the box can be poor value when the extra stock will remain unused.

Make the purchase decision visible

Keep a short comparison showing the base item, useful extras, missing parts and confirmed delivered total. Tillio's selected shop coverage is incomplete, so 'best among checked comparable offers' is a more defensible conclusion than 'cheapest anywhere'. Unknown delivery should stay unresolved, and different variants or conditions should not be combined into one cheapest label.

• Match the base model and condition.
• List each extra and check its format or compatibility.
• Use the current separate price of items you would actually buy.
• Add essential missing parts and delivery.
• Choose the bundle only when the final setup and total suit your needs.