The free delivery trap.
the most profitable £3.99 you'll ever avoid · a 3-minute read
Your basket says £18.50. The banner says "free delivery over £25". And your brain — a machine that once passed exams — says "better add something". Congratulations: you're about to spend £6.50 minimum, often £12, to avoid a £3.99 fee. The shop invented this trap because it works on literally everyone.
Why fees hurt more than prices
A delivery fee feels like a penalty — money for nothing, a tax on wanting things. Product spend feels like getting something. So £7 of filler tat feels better than £3.99 of fee, despite being, and this is the technical term, more money. Shops set the threshold deliberately above their average order value: the banner exists to drag your basket up to it.
The rules
- Pay the fee. Genuinely. £3.99 for delivery is nearly always cheaper than the filler item. The fee is the frugal option — say it until it stops feeling wrong.
- If you add filler, it must be a staple. Something you'd buy next week anyway — not a mystery gadget auditioning for a drawer.
- Recount the basket after the banner. The threshold nudge often triggers a second, bigger add — "well, while I'm at it…". That's the trap's trapdoor.
- Beware subscriptions sold as fee-dodges. Delivery passes only pay off at real, audited order frequency — and they exist to raise that frequency. The maths is on their side of the till.
The extension reads the basket total — including the £7 of filler the banner just added. really? is a free Chrome extension that interrupts any checkout with a countdown, makes you type why you’re buying, and keeps score of every purchase you walked away from — measured against the thing you actually want. See it judge a checkout live or install it free.
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