first of all, the first point: his business is good, which may account for many factors, such as surrounding consumer groups, market positioning and business reputation.
second point: it's not necessarily that you are opening one just like him, so you will have a good business. KFC and McDonald's also closed down in the wrong place. Geographical location is very important.
third point: don't invest blindly. When you see others opening restaurants and making money, you will be jealous. If you are determined to open a restaurant, it is suggested to find a place first, and then according to the surrounding people, (office workers, students, middle-aged and elderly people) market environment and competitors.
fourth point: after doing all kinds of investigation and analysis, we will study what kind of restaurant to open, which is mainly customized according to the surrounding consumer groups.