However, the entry threshold is relatively low and the technical requirements are not high. After doing it for a period of time, you can buy some used computers, work part-time by yourself, and ask a few people for help. The development space is ok. It would be better if we could receive orders from abroad. There are also some websites that receive live works, such as cuckoo entries, and there are often some live sources. Send the information about finding a job, and sometimes someone will contact you actively.