bait-and-switch
US /ˈbeɪt ən ˈswɪtʃ/
UK /ˈbeɪt ən ˈswɪtʃ/

1.
isca e troca, engodo
a sales tactic in which a customer is attracted by the advertisement of a low-priced product but is then encouraged to buy a more expensive one
:
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The store was accused of a bait-and-switch tactic when the advertised laptop was unavailable.
A loja foi acusada de uma tática de isca e troca quando o laptop anunciado não estava disponível.
•
Be wary of online deals that seem too good to be true; they might be a bait-and-switch.
Cuidado com ofertas online que parecem boas demais para ser verdade; podem ser um isca e troca.