用 Grok Bot 每周查 Costco 小票价保退款

Trutherator @austinjunkfish原推发布于 2026.10.26

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Grok bot / Dots / Muse / Claude duet tip: Costco has a 30 day price guarantee. If something purchased goes on sale within 30 days they will refund the difference if asked. I upload my Costco receipts to my Grok bot and tell it to check each week for 30 days for a price drop. Then remind me at 28 days what items qualify for a refund. Usually pays for itself each month.