How this service works — summary

This is a plain-language summary, not a complete legal translation. If anything differs, the authoritative Traditional Chinese terms govern.

• The service is free and uses no affiliate links or shop commissions.
• Only permitted public sources are used. Prices and availability are controlled by the source sites.
• Taiwan shows TWD; Japan shows original JPY prices without conversion to TWD.
• Taiwan offers may be cached for six hours and used for history. Japan data is held briefly in memory and is not written to product, offer, or history tables.
• Queries that look personal are not sent to shops or AI. Logs exclude query text and API keys.
• Japan has no product pages, cross-source matching, price history, watchlists, comparisons, or alerts.

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