From my experience, adding to what has been mentioned: get rid of unqualified/underqualified and lazy employees, because few things are more annoying than havin

From my experience, adding to what has been mentioned: get rid of unqualified/underqualified and lazy employees, because few things are more annoying than having to work around other people's inability or do their work if they are lazy. You can keep the un-/underqualified by improving their skillset, I've not seen the lazy improved, but maybe that's possible as well.