I don't know about other cities. In new york, a city where Chinese people are concentrated, people who work in restaurants can earn about $2,000 a month. In the past, illegal workers in the United States could get a green card by Amnesty or applying for asylum, but now it is very difficult because the federal government is stepping up efforts to crack down on illegal workers, and employers will be severely punished once they are found. In addition, in addition to being able to bear hardships, it is best to have a skill, that is, to speak Minnan dialect or Cantonese.