A saying orignally conceived in software development, Good, Fast and Cheap is unreasonably expected from customers as well as managers in all types of businesses and markets.
Often called the Iron Triangle, Project Management Triangle or Triple Constraint.
If its Good and Cheap, it won't be FastIf its Fast and Cheap, it won't be GoodIf its Good and Fast, it won't be CheapHence, Pick 2.
Glue this small placard (106x120mm) to a magnet to display on a metal surface if you wish.