Compare net weight and unit price across purchases. A familiar bag design can conceal a smaller quantity even when the shelf price stays unchanged.
What to check
| Check | What to verify |
|---|---|
| Old purchase | Record price and net weight. |
| New purchase | Use the same fields. |
| Change | Compare price per kilogram. |
Use this checklist for your own comparison
Record product details, quotes or unanswered questions. Notes stay in this tab; download them before leaving.
Record price and net weight.
Use the same fields.
Compare price per kilogram.
A practical example
An illustrative $40 bag shrinking from 10 kg to 8 kg changes unit cost from $4 to $5/kg, a 25% increase.
Before you decide
Package-price stability does not mean unit-price stability.
For the broader task, see Compare food cost per day.
Reference and scope
FTC: online shopping provides background for this topic. Examples and checklists are original planning tools; no current seller prices or policies are asserted. The comparison prompts and examples above are practical planning aids, not reports of product testing.