Scope and inclusion
The comparison covers third-party shopping agents only when enough fields can be tied to an accessible source, check date, and reviewer. Inclusion does not mean endorsement, and absence does not mean a negative assessment.
Published profiles can describe service fees, payment fees, storage, QC policy, supported destinations and shipping rules. A field remains unknown when its definition, currency, validity window, destination, weight range, or source cannot be reconciled.
Sources and freshness
Each factual field must retain the public source URL, observed or effective date, last checked date, and reviewer record. Marketing claims are attributed to the provider. A current source is not treated as independent proof of service quality.
Expired fee rules stop contributing to computed totals. Conflicting sources are held for review rather than averaged. Pages show the check date so users can verify current terms before acting.
Making fields comparable
Fees are normalized only inside the same currency and defined calculation basis. Fixed fees in another currency do not silently become zero. Shipping lines must match the selected destination and applicable weight range. Storage is compared by documented free days and conditions; QC is compared by available policy fields, not a fabricated quality score.
Missing values remain visibly unavailable and reduce data completeness. They do not automatically make an agent cheaper or better.
Scenario ordering
There is no universal “best agent” rank. Users select a priority such as comparable total cost, storage, QC policy, shipping coverage, or data completeness. The deterministic sort first applies the selected dimension, then documented tie-breakers.
Affiliate commission and referral value are excluded from natural ordering. Sponsored placement, if introduced, must be labelled and visually separated.
Limits and user checks
A comparison cannot predict account approval, parcel inspection quality, seller cooperation, customs treatment, delivery time, support response, refund outcome, or final charges. Provider terms can change between the check date and a transaction.
Before paying, open the provider source, confirm the destination and parcel assumptions, review current terms and privacy practices, and compare the result with the landed-cost calculator.
Corrections and withdrawal
Profiles with stale, contradictory, or materially incomplete data may be withdrawn from recommendations while remaining available as an unavailable or not-ready state. Corrections require a source and audit reason. Commercial requests cannot bypass the evidence gate.