Why Prices Suddenly Drop
Not every price drop is a trick. Plenty are completely genuine - here is what actually drives real, sustained falls in electronics pricing.
This is not about fake discounts
There is a separate, murkier story about retailers inflating a was price to fake a discount - if that is what you are after, our fake discounts guide covers the tactics and how to spot them. This post is the opposite angle: the real, structural reasons a product's price can genuinely fall over time, no marketing trick involved.
Component costs fall over time
Almost everything electronic is built from components - display panels, memory chips, processors, batteries - that get cheaper to manufacture as production scales up and yields improve. A TV panel that cost a manufacturer $250 to produce eighteen months ago might cost $180 today simply because the factory has gotten better at making it. That saving eventually flows through to shelf price, especially once a few competitors are manufacturing the same panel size.
Model refresh cycles
Most categories run on a predictable annual or biennial cycle. When a manufacturer is about to release a new model, the outgoing one has to make room - both on the shelf and in the warehouse. Retailers know the new model is coming and start discounting the old one weeks or months ahead of the announcement, because they would rather sell it at a reduced margin than have it sitting in a warehouse once the replacement lands. This is genuinely predictable: TVs, laptops, and phones all have well-documented cycles, covered in more depth in our category-specific guides on the best months to buy TVs, best months to buy laptops, and best months to buy iPhones.
Genuine clearance and overstock
- Discontinued lines: a retailer stops carrying a model or brand and needs to clear remaining stock before it stops being worth shelf space.
- Overstock from a bad forecast: a retailer or distributor ordered more than actually sold, and needs cash flow back rather than warehouse space tied up in unsold units.
- Warehouse and floor-stock clearances: ex-display units, returns, and open-box stock get discounted because they cannot be sold as brand new, even if functionally identical.
- End of financial year: NZ's financial year ends 31 March, and some retailers run genuine March clearance sales to move stock off the books before balance date.
Genuine drop vs seasonal calendar sale
Our general seasonal sale calendar covers when the big calendar events land - Black Friday, Boxing Day, back-to-school. This page is about the underlying reasons prices move at all, independent of any calendar date - a genuine component cost fall or model refresh can happen in the middle of March with zero sale event attached to it.
Competitive pressure
When two or three NZ retailers stock the same product, and one drops price to win a sale, the others usually follow within days to stay competitive on comparison sites. This price-matching behaviour is one of the most reliable, fastest-moving reasons a price falls - and it has nothing to do with sale calendars at all, it is just retailers reacting to each other in real time.
What to actually do
If you see a genuine, sustained price drop rather than a sale-event spike, it is usually safe to buy - especially if it lines up with a known refresh cycle or a component cost story you can independently verify. Use price-history tracking to confirm the drop is real and holding, not a one-day blip, before pulling the trigger.
Track real price movement, not marketing banners
Twisti shows genuine price history across NZ retailers so you can tell a real drop from a sale-event gimmick.
Compare prices now โ