If you have a relationship, you can run back and forth in Zigong, Rong County. Both of them work in two shifts, one day and one night, 5 thousand a month is no problem.
You don't need any documents. If you buy a taxi yourself, the cost is too high, but you can also buy it and drive it to others during the day and night.
In fact, just buy a seahorse and find someone to take you back and forth in Zigong, Rong County for a while, but it's just a matter of running a black car. The cost of making money is small. Anyway, your taxi driver in Zigong is estimated to be around 4 thousand a month. It is not clear whether he is not in this line of work.