Looking on the internet deeply has found these results:

build your own sandwich is the most popular phrase on the web. 

Related Comparison

• have your own business or have your own store?
• create your own on or create your own at?
• build up my experience or develop my experience?
• design your own on or design your own at?
• build your own sandwich or make your own sandwich?
• build your confidence or build up your confidence?