Idiom: Set up shop
Example 1:
Dad: Now that you have gotten your business degree, when do you plan to set up shop?
Mark: As soon as you give me the money to start my business
Example 2:
Ella: I'm going to miss you when you go to Paris next month
Louise: After I set up shop I'll be back in no time
Ella: I know it's been your dream to open your cafe there and I wish you the best
Louise: Thanks Ella, I love you
Ella: I love you more
Meaning: to open or start one's own business.