into the bargain
Also, in the bargain. In addition, over and above what is expected. For example, The new researcher was an excellent chemist and a good programmer in the bargain, or It was very cold, and then rain and sleet were added into the bargain. These expressions transfer bargain in the sense of "a business agreement" to what is anticipated.
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.