You'd better not go to Beijing if you want to work hard. This is very difficult. You can go to a place with less consumption, and it is best to find a place where you can eat and live. You can also make some money online in your spare time. There are many good projects now. Some are hundreds of dollars a month, and then you can work part-time. If you don't need to rent a house, you'd better save money for meals. If you want to work hard in Beijing, you can rent a taxi. Trust me.