Something very easy.
Piece of cake
To buy something expensive or to spend a lot of you economies
Break the bank
To accomplish two things at the same time with a single action.
To kill two birds with one stone
An extra touch or a final modification
Cherry on the sundae
To split a cost evenly between two people.
Go Dutch
To reveal a secret or information that was supposed to be kept hidden.
To let the cat out of the bag
Something difficult to understand.
Hard nut to crack
Someone who comes from a wealthy family, and is typically used to show resentment or disdain.
Born with a silver spoon in your mouth
To be clumsy or careless in delicate or sensitive situations.
A bull in a china shop
To earn money to live or a prize
Bring home the bacon
Being charged an extremely high price for something.
Highway robbery
To have difficulty speaking because your throat is dry or hoarse.
a frog in your throat
Not taking something for its face value
Take something with a pinch of salt