Costco sued for seeking refunds on tariffs customers paid (arstechnica.com)

A proposed class action says Costco unjustly benefited by raising prices to cover tariffs paid by customers while also seeking refunds from the federal government after the tariffs were ruled unlawful. The lawsuit alleges Costco planned to use any tariff refunds to lower future prices rather than reimbursing customers who paid more during the tariff period. Costco is facing additional similar suits, and the case could also influence who is entitled to tariff surcharge refunds if customers succeed.