Ripoff

A ripoff (or rip-off) is a grossly unfavorable financial transaction. It originated as slang and has entered into standard English usage as a business term.¹

Usually it refers to an incident in which a person is overcharged for something or receives goods or services not of the standard expected for the price. A ripoff is usually distinguished from a scam in that a scam involves wrongdoing such as a fraud; a ripoff may be considered excessive, but it is not illegal.