1. crude oil knowledge reserve. To fry crude oil, we must first know what is affecting oil prices. What causes oil price fluctuation? To fry crude oil at home, you need to know the news of domestic and foreign financial markets. We need to know how it affects oil prices. The basic terms and trading rules of frying crude oil need to be clear.

2. Selection of crude oil varieties. There are two main types of crude oil investment: real oil transactions with physical delivery and crude oil voucher transactions without physical delivery. The voucher trading of crude oil is commonly known as "spot crude oil", and its trading form is similar to financial instruments with virtual value such as stocks and futures. Oil speculators must explain the trading time, trading method and trading details.

3. Clarify the purpose of crude oil investment. Clarify the purpose of personal frying. What is the purpose of your investment in crude oil? Is your intention to earn the difference in a short time? Or as a low-risk part of personal comprehensive financial management, is it intended to hedge risks and preserve and increase value for a long time? For most non-professional investors, short-term profit difference is the main factor, so it may be more appropriate to speculate crude oil from the perspective of short-term and mid-line.