# Purchase comparison checklist

| Field | Check |
|---|---|
| Identity | Exact model, generation, variant, condition and seller |
| Fit | Must-haves, compatibility, dimensions and use-case constraints |
| Price | Currency, product price, shipping, known taxes and checked-at time |
| Evidence | Manufacturer specification links and independent test sources |
| Tradeoff | What this choice gives up and whether that matters to the buyer |
| Ownership | Warranty region, returns, repairability when relevant |
| Availability | Stock and delivery estimate, with uncertainty labelled |

Show a short recommendation with source links. Do not purchase, subscribe, or accept terms as part of comparison research.