learn (all) the tricks of the trade
To learn the various clever or ingenious skills, techniques, or methods used by professionals to do something more easily or efficiently. You should ask your uncle to alter your shirt. He learned the tricks of the trade when he worked as a tailor's apprentice. Don't worry, I'll make sure you pay as few taxes as possible on your income. When you work as an accountant, you come to learn all the tricks of the trade.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.