pay through the nose

переплачивать за что-либо втридорога "meaning to pay too high a price for something, to pay far more than the thing is worth"

The customer feels unhappy when he finds that the product he paid through his nose is available at a discount a month later. - Клиент чувствует недовольство, так как товар, за который он заплатил втридорога, через месяц будет продаваться со скидкой.

to pay over the odds for (BrE, informal)
arm and a leg - pay a very high price for something that isn't worth it

My father paid an arm and a leg for his car but he really enjoys driving it.

see also [cough up]