Ballpark figure
To be on the same page
To think outside the box
It´s a win-win situation
Keep me in the loop
Costumer-focused
To go forward
It is not rocket science
Buy into
Best practice
Reality check
Advantageous to both sides
In the future
Moment to face the true facts
Interested in or concentrated on what the costumer wants
Understand each other
The best way of doing things (usually business)
Up to date with events
Rough estimate
Believe and be interested in
Simple
To be imaginative