bargain
noun
an advantageous purchase, especially one acquired at less than the usual cost.
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But I am going too far—and this is more than you will have bargained for.
From The Letters of Henry James (volume I) by James, Henry