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Sales season is on – here are 10 things stores must not do

24 October 2025
Kate

By Kate Harvey

Content Manager | Pou Whakahaere Ihirangi

Peak sale season is here. Now that Labour Weekend has passed, Black Friday advertising is about to inundate our email inboxes. Those sales will morph into the December pre-Christmas sales. And then advertising will start for the Boxing Day sales before the big day has even happened.

On this page

  • 1. Use sales prices that aren’t that special
  • 2. Exaggerate the discount
  • 3. Use “clearance” on products that are coming back after the sale
  • 4. Charge more than the advertised price
  • 5. Bait advertise
  • 6. Only have limited stock at advertised discount prices
  • 7. Say there is no return on sale items
  • 8. Give only store credit on returned faulty items
  • 9. Put a time limit on the return of faulty items
  • 10. Make claims like “cheapest” without evidence

During all these sales, there are some rules that stores must follow.

We’ll be on the lookout for any rule-breakers over the next few months. If you spot any stores doing any of the 10 things listed below, we’d love you to send us a pic to [email protected].

Here’s what they cannot do.

1. Use sales prices that aren’t that special

A sale must be a genuine opportunity for consumers to buy a product at a discounted price for a short period. If a business continually sells a product at a discounted price, then that’s the usual selling price – not a sale price.

Rather than assuming a sale price is a good deal, check PriceMe and PriceSpy to see what the product usually sells for. Both websites track the price of products, making it easy to see if you can snaffle a bargain.

2. Exaggerate the discount

When a retailer compares a sale price with a previous price (for example “was $100, now $50”), the "was" price must be the true price the goods were sold at for a reasonable time.

The retailer also should not inflate the normal price of a product, knowing it won’t be bought at that price, only to discount it to get sales.

3. Use “clearance” on products that are coming back after the sale

Clearance sales create a sense of urgency. They should only be used for clearing stock. You shouldn’t see clearance stock back on the shelves at full price after the sale has ended.

4. Charge more than the advertised price

The price displayed should be the final price you’ll be charged. So, it can’t be before GST or have any other unavoidable amounts added on later. Stores can’t bury these extra charges in the fine print, and they can’t say “conditions apply” either.

Sometimes, a retailer might make a genuine pricing mistake, like listing a $2,000 TV for just $200 in a catalogue. They’re not legally obligated to honour the price if it’s an honest mistake. But deliberately or repeatedly putting up the wrong price is illegal.

5. Bait advertise

Retailers can’t advertise a product at a great price to lure in customers when there’s not enough in stock to sell for a reasonable period. This is called bait advertising as the customer has been lured in and might then buy a more expensive item.

6. Only have limited stock at advertised discount prices

Stores can’t make a sale look better than it is. They can’t use sweeping statements like “up to 50% off” or “prices from $5” if they only have a few products at that price. Stores should instead advertise the most common saving. The Commerce Commission suggests “up to 50% off – most items 30% off”.

7. Say there is no return on sale items

You still have the right to return sale items if they:

  • aren’t of acceptable quality

  • aren’t fit for purpose

  • don’t match their descriptions.

This applies even if there is a sign instore or a line on a website about a product being on “final sale”.

The only exception is if the fault was made clear to you before you bought the item. For example, the sales tag for a dress lists a small hole on the right sleeve. However, you can still return an item if it has another unidentified fault.

8. Give only store credit on returned faulty items

If you’re returning a product because it’s not of acceptable quality, you don’t have to accept a gift card or store credit in its place. The Consumer Guarantees Act (CGA) makes it clear you can get a refund.

If the store is letting you return it for a different reason though – say you changed your mind – they can offer store credit.

9. Put a time limit on the return of faulty items

Retailers can’t make up a time limit for how long you can take to return a faulty product. The CGA doesn’t set a limit, so a retailer is misleading you if they tell you otherwise.

Whether an item is of acceptable quality or not will depend on what a reasonable consumer would think was acceptable. For example, you would expect a top-end product to last longer than a very cheap one.

10. Make claims like “cheapest” without evidence

Claims like these give shoppers the impression they don’t need to go anywhere else to compare prices. Shops need to ensure these claims are accurate and that they can support the claim.


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