A generous returns policy is part of what you are paying for

Returning something is a service, not an absence of one

A shop that accepts returns without argument is doing work. It handles the item back, checks it, restocks or discounts or discards it, absorbs the cost of getting it to and from the customer, and carries the accounting mess that all of this creates. None of that is free, and the price of the goods it sells has to cover it along with everything else.

This is worth stating plainly because a returns policy is usually presented as reassurance rather than as a feature with a price. It is a feature with a price. Retailers with lenient policies are, on the whole, charging every customer a little for a service that some proportion of customers use.

Which is fine, and often good value. But it means the comparison between a cheaper seller with a strict policy and a dearer one with a relaxed policy is not a comparison between a bargain and a rip-off. It is a comparison between two different products, one of which includes an option.

What an easy return is actually worth

The value of being able to return something depends on how uncertain you are. For a repeat purchase of a known item, the option is nearly worthless — you already know it will do. For clothing bought without trying it on, or for something whose size, fit or feel cannot be judged from a description, the option is doing serious work, because it is the only way the uncertainty gets resolved.

That suggests a rough rule of shape rather than of number: pay for return rights in proportion to how much you do not know. A household that buys most things in person and knows what it is getting is subsidising a service it rarely uses. One that buys largely at a distance is using something real.

There is a second component too, which is the cost of an unresolved mistake. A returnable purchase that turns out wrong costs a journey and some time. A non-returnable one that turns out wrong costs the whole amount, and sits in a cupboard as a reminder.

The option changes what gets bought

Knowing that a purchase can be undone lowers the threshold for making it. That is the point of offering the policy, from the seller’s side, and it works. People buy things they are unsure about, buy several variants intending to keep one, and buy at moments when they would otherwise have waited — all of which are perfectly reasonable responses to a reduced downside.

The complication is that the return does not always happen. Effort, delay, packaging, deadlines and simple inertia mean a proportion of intended returns quietly become permanent purchases. The status quo has a pull, and every additional step between deciding to return something and actually doing it makes keeping it more likely.

So the policy has an asymmetric effect. It reliably increases what gets bought, and it only sometimes reverses those purchases. A buyer who knows this about themselves should discount the policy a little when it is doing the persuading.

Ownership starts working immediately

There is also a well-observed tendency for people to value something more once it is in their possession, which is usually described as the endowment effect. A jacket hanging in your own wardrobe is judged differently from the same jacket on a rail, and the difference tends to run in the direction of keeping it.

Free trials, home-approval periods and no-questions returns all make use of this, deliberately or otherwise. The period during which the item can be sent back is also the period during which it stops feeling like the shop’s and starts feeling like yours. That is not a trick so much as a predictable feature of how ownership registers.

The practical response is to decide in advance what the item has to do to be kept, before it arrives, while the judgement is still being made about an object rather than about a possession.

Reading a policy for the parts that matter

Policies vary far more than their headline promises suggest, and the meaningful differences are usually in the mechanics. How long the window is, and whether it runs from purchase or delivery. Who pays for return carriage. Whether a refund goes back as money or as credit. Whether the item must be unopened, and what counts as opened for something that had to be tried to be judged.

Statutory rights sit alongside the shop’s own policy in many countries, particularly for goods bought at a distance, and they may be broader or narrower than what the retailer advertises. What applies depends entirely on where the purchase happens, so the local position is worth knowing rather than guessing.

None of this makes a lenient policy good or a strict one bad. It makes them different prices for different things, which is the more useful way to compare them — and, as with any spending decision, what suits one household will not suit another.