We all remember stocking up on giant bags of pasta and multipacks of loo roll to save cash — but in today’s world of loyalty pricing and rising waste, bulk buying isn’t always the bargain it once was
I’ll admit it — I still get a small thrill from buying a massive bag of pasta.
It takes me straight back to student days, pooling together loose change with housemates and proudly lugging home a bulk buy that we were convinced would “save us loads”. One giant cupboard staple, sorted for weeks. Job done.
But standing in supermarkets now, I’ve started to question whether that logic still holds up — because the truth is, bulk buying isn’t the guaranteed money-saver it once was.
And in some cases, it could actually be costing you more.
The promise of bulk buying
The idea behind bulk buying is simple: the more you buy, the cheaper it should be per unit. And sometimes, that’s still true.
Stocking up on things like toilet roll, rice, pasta or cleaning products can reduce the cost per use — especially if you know you’ll get through them. It can also mean fewer trips to the shops, which in theory cuts down on impulse spending.
But supermarkets — and our shopping habits — have changed.
Why bulk buying doesn’t always save you money anymore
Bigger isn’t always cheaper
It sounds obvious, but it’s one of the easiest traps to fall into.
Retailers know we associate bigger packs with better value — but that’s not always reflected in the price. I’ve seen plenty of cases where a smaller pack, especially on offer, actually works out cheaper per 100g than the bulk version sitting right next to it.
If you’re not checking the unit price on the shelf label, you could be paying more without realising.
Loyalty deals are changing the game
These days, the real bargains often sit behind loyalty schemes.
Clubcard prices, Nectar offers and app-only discounts can undercut bulk buys completely. Add in yellow-sticker reductions, and suddenly the “smart” shop isn’t a big stock-up — it’s a well-timed one.
In other words, strategy is starting to beat scale.
Waste cancels out any savings
This is the big one — and it’s something I’ve definitely been guilty of.
Bulk buying only works if you actually use everything you buy. If fresh food goes off, or you end up throwing away half a bulk item, the saving disappears instantly.
In fact, it can end up costing more than if you’d just bought what you needed in the first place.
The upfront cost adds pressure
There’s also the reality of cash flow.
Bulk buying means spending more in one go — and at a time when many households are already feeling stretched, that upfront cost can be difficult to justify.
Saving a small amount over time isn’t always worth the immediate hit to your bank balance.
Our homes aren’t built for bulk
Unless you’ve got a pantry worthy of a cooking show, storage is another issue.
Most UK homes simply aren’t designed for large-scale stockpiling. That means bulk buys can quickly turn into clutter — or worse, forgotten items shoved to the back of a cupboard.
When bulk buying
That said, I’m not writing it off completely — far from it.
Bulk buying still works brilliantly for:
- Toiletries like toilet roll and shampoo
- Cleaning products
- Tinned goods
- Dry staples you use regularly
These are items that last, don’t spoil, and will definitely get used.
When it’s a waste of money
Where I’d be far more cautious is:
- Fresh fruit and veg
- Bread and dairy
- Anything you’re “trying out”
- Niche ingredients you rarely use
If there’s even a small chance it’ll go to waste, it’s not a saving — it’s a false economy.
The smarter way to shop now
If there’s one thing I’ve learned, it’s that saving money in the supermarket today is less about buying more — and more about buying smarter.
That means:
- Always checking the price per unit
- Combining offers with what you actually need
- Only bulk buying items you use consistently
- Being realistic about what you’ll store and eat
The bottom line
Bulk buying hasn’t disappeared as a money-saving trick — but it’s no longer the automatic win it once was.
Back in my student days, grabbing the biggest bag on the shelf felt like the smartest move in the shop.
Now, the real skill is knowing when to walk past it.
- Want more money-saving tips like these? Sign up to the MoneyMagpie newsletter and get expert advice from Vicky Parry delivered straight to your inbox every Tuesday – completely free


