Cost an arm and a leg/a small fortune phrase
Used when something is extremely expensive or cost a lot of money.
The white T-shirt I like most costs an arm and a leg.
The food of our restaurant is really good and doesn’t cost you an arm and a leg.
This house cost me a small fortune.
It's going to cost me an arm and a leg to buy a new phone.
To change the price of something
Used to indicate something that is very expensive
Have a very high price
To refer to a very high price.
The verb "cost" should be conjugated according to its tense.
None
This idiom has become popular since 1901.