Compare product details without guessing
Two candidates are rarely different in one dimension. They differ in material, measurements, pack quantity, and the date you last read the page. A useful comparison puts the same fields in the same order for both, so the decision rests on a record rather than a feeling.
Six fields worth comparing
More columns is not more rigour. Six fields, filled consistently, beat twenty half-completed ones. The set below covers what changes cost, fit and care, which is where most of the money actually goes.
- Listed name and colour. Exactly as written by the seller, including any colour name that sounds like another colour. "Stone" and "oat" can be two different shades in one catalogue.
- Material line. Copy the composition text rather than summarising it. "Leather upper, textile lining" and "leather" alone are not the same statement.
- Key measurements. Whatever the category needs: strap drop and width for a bag, chest and sleeve for a coat, heel height for a shoe. Always with the unit.
- Sizing basis. Whether the figure refers to UK, EU or US sizing, and whether it is a body measurement or a garment measurement.
- Quantity or pack size. A pair, a single item, a set of three. This is the quietest way a "cheaper" option becomes the dearer one.
- Source date and page. The date you read it and a link you can return to. Without both, a figure is folklore.
A two-candidate table
Everything below is invented for illustration. The numbers are not prices from any live listing, and neither candidate is being recommended.
| Field | Candidate A | Candidate B |
|---|---|---|
| Listed name | Structured shoulder bag, black | Soft shoulder bag, black |
| Material line | Calf leather outer, cotton lining | Coated canvas outer, textile lining |
| Measurements | 28 × 19 × 9 cm, strap drop 52 cm | 30 × 21 × 11 cm, strap drop 44 cm |
| Quantity | 1 bag, dust bag included | 1 bag, no dust bag listed |
| Size basis | One size | One size |
| Source date | 20 Oct 2026 | 18 Oct 2026 |
| Unconfirmed | Hardware finish not stated | Whether strap is detachable |
Read that table and the decision is already more specific: one bag carries a lining detail and a longer strap, the other is larger with a shorter drop. Whether either suits you depends on how you carry it, which is a separate question from which is cheaper.
Why the source date matters
A comparison is a snapshot. If one column was read three weeks before the other, the two cells are not describing the same market. Put the date in a fixed column and, when a figure is older than your own refresh interval, mark it stale and re-read the page before you rely on it. Our guide to reviewing and updating your spreadsheet sets out a simple refresh rhythm.
Same name, different specification
Catalogue names get reused. A bag line can appear in two materials, a shoe in two sole constructions, a coat in two compositions under one title. When two rows look identical, check the material and quantity fields first — that is usually where the difference hides. If they are genuinely identical, keep one row and note the second source, otherwise your totals will double-count.
Sizes deserve their own discipline. A "UK 12" on a garment measurement is not the same claim as a UK 12 on a body measurement, and shoe sizing across brands does not behave consistently. Record the basis and the measured value, and where you cannot confirm it, use the measurement checking method before adding the item to a budget.
Writing a defensible conclusion
Finish each comparison with one sentence that names the deciding field. "B chosen: 2 cm wider, otherwise equal, material unconfirmed" is defensible. "B seems better quality" is not, because nothing in the record supports the word quality. Then add the follow-up question the record cannot answer, such as a request to confirm the hardware finish or a photograph of the size label.
Also record what you did not compare. If you never checked the care instructions, say so, and read recording materials and care before the budget stage. A comparison with a stated blind spot is more useful than one that pretends to be complete.
Finally, return to the hipobuy spreadsheet home page with the shortlist and put the two totals into the budget tool. The comparison answers "which one", the tool answers "can I afford it once delivery and conditions are counted".
Back to hipobuy spreadsheet