1. go the extra mile - to do more than what people expect of you.
2. win-win situation - where everyone involves benefits.
3. get the ball rolling - to do something that starts an activity
4. no brainer - Something, especially a choice or decision, that is so obvious
or easy as to require little or no thought.
5. see eye to eye - to agree with someone, to view things the same way
6. up in the air - when something is undecided