A Costco shopper is suing, saying members deserve a slice of any tariff refunds

Costco is suing the government over tariffs, and now Costco is getting sued.

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• A Costco member in Illinois is suing the wholesale club for a piece of any tariff refunds.
• The suit aims to prevent Costco from being paid twice for tariffs: by members and the government.
• CEO Ron Vachris has pledged "lower prices and better values" but not specific monetary payback.

A Costco member in Illinois wants the wholesale club's legendary refund policy to extend to Trump's illegal tariffs.