Don't think about how much money you can earn until the technology reaches home. It would be nice to lose money. Losing some money is still small, just as a lesson.

Futures account is free, and you can open an account in 5 minutes at the earliest. However, there is a minimum entry threshold for transactions. At present, the cheapest varieties are corn futures and fuel oil futures. And it can be done around 2000 yuan; Expensive are coke futures, gold futures and so on. The required margin ranges from 20,000 to 50,000; More expensive ones, such as stock index futures, need 654.38+ 10,000 yuan to make a single hand.