I just thought of a great idea. Can I use two accounts, one for shorting and one for going long? If the short position doesn't go well, I'll get out immediately. If the long position doesn't go well, I'll also get out immediately, and just hold onto the one that's making money! Doesn't this mean I will never lose?

Is there any method, strategy, or approach that can guarantee a daily revenue of 10 USD? Even if the daily revenue is 10 USD, that amounts to 3650 USD in a year, equivalent to 27010 RMB! Is this idea correct, and is it feasible? Adding an extra income for oneself each year! At the same time, this is a considerable amount; many ordinary people don't earn this much in a year!