The document lists 10 things the author learned the hard way in their career. These include: don't be afraid to ask for what you're worth; don't be a wallflower; don't assume someone else will do tasks; learn how to manage your superiors; don't put anything in emails you wouldn't want published; don't take criticism personally; don't be afraid to ask for promotions; be nice to everyone without taking sides; follow AP style guidelines on spacing; and don't be afraid to fail. Contact information is also provided.