Latest analysis

Honest savings analysis for Aussie households.

Verified product comparisons, brand-vs-generic breakdowns, and the maths behind every "switch and save" claim. Per-unit pricing and honest verdicts on what actually saves your household money.

Recently published

Get new articles in your inbox

Weekly savings analysis — no spam.

Topics in depth

Pillar·16 min read

How to actually cut your supermarket bill: an honest guide to Amazon Subscribe & Save in Australia

Subscribe & Save isn't magic — but for the right products it genuinely beats Coles and Woolies on price. I worked out which categories pay off, which don't, and exactly how the maths breaks down.

Read the full breakdown
Supporting · 9 min read
Quilton 24-pack vs Quilton 48-pack: the bulk toilet paper maths for an Aussie household
I worked out exactly when buying the 48-pack on Amazon beats the 24-pack at Woolies, and how long a box actually lasts a real Australian household. Spoiler: the bulk savings are real but smaller than you'd think.
Supporting · 11 min read
Huggies bulk nappies on Amazon vs Woolies: when the 15% Subscribe & Save tips the scales
Amazon AU gives Prime members 15% off Subscribe & Save on nappies — the highest discount tier they offer. I worked out the actual cost per nappy at every pack size, and when the bulk box on Amazon genuinely beats the supermarket.
Supporting · 10 min read
Aldi vs Amazon: when each one actually wins on Australian household staples
Aldi is genuinely cheap for some categories. Amazon S&S is cheaper for others. After running the maths across both, here is the honest split — and the categories where the supermarket aisle still beats every alternative.
Supporting · 9 min read
Pedigree 20kg vs 3kg dog food: when bulk on Amazon genuinely beats Coles
Bulk pet food is one of the biggest single savings on Amazon AU — about $600/year for a medium dog. But the bigger bag has trade-offs (storage, freshness, tolerance changes). Here is the actual maths plus the catches nobody warns you about.
Supporting · 11 min read
The Brisbane suburb-by-suburb cost-of-living gap nobody talks about
Groceries vary wildly across Brisbane by suburb — sometimes 10-15% on the same product. I dug into where shopping is actually cheapest, where Amazon delivery makes the biggest difference, and which suburbs are getting silently overcharged.
Supporting · 9 min read
Finish Ultimate 70-pack on Amazon vs Quantum 40-pack at Coles: the family dishwasher maths
A family of four runs the dishwasher daily. The Finish Ultimate 70-pack on Amazon S&S costs ~44¢ per cycle vs ~62¢ for the supermarket Quantum 40-pack — about $100 a year, same machine, plus a higher Finish tier.
Supporting · 9 min read
Gillette Mach3 bulk cartridges on Amazon Australia: the per-shave maths most men skip
A Gillette Mach3 16-pack on Amazon Subscribe & Save works out to ~$1.40 per cartridge vs $3.13 at Woolies. For a daily shaver that's ~$90 a year — on the exact same blade. Here's the full maths, plus the one habit that doubles cartridge life for free.
Supporting · 10 min read
Cat treats, flea treatment, food, and litter: the honest bulk-buy maths for Australian cat owners
Temptations cat treats are ~45% cheaper per gram in the 350g bulk bag vs the 85g supermarket packet. Advantage II flea treatment is 54% cheaper in a 6-pack. I worked through all four cat categories and the maths on each one.
Supporting · 7 min read
Hand soap is a sneaky tax: the Palmolive 3-pack on Amazon vs the single bottle at Woolies
Same Palmolive, same scent, same brand — but the 250ml pump bottle at Woolies costs roughly 3.7× per millilitre what the 3-litre Amazon AU bulk pack costs. A breakdown of the per-litre maths, the kitchen-sink break-even, and when the bulk pack stops paying off.