Whether stocks or futures, the simplest method is to buy low and sell high. But why can't everyone do it? Because no one wants to get rich slowly and make money while lying down. Everyone wants to enter today and see profits tomorrow, putting in ten thousand dollars and coming out with one million. But the true core of investing is compound interest, and compound interest is fundamentally about time. The funny thing is, few people who invest or speculate can endure the passage of time, and not a single one wants to sit and make money.