China is storing an epic amount of oil at sea. Here's why
https://edition.cnn.com/2020/07/01/investing/oil-prices-china-imports/index.html
It's important for saving money to buy something a lot when its price is at bottom, except for something with expiration. But, it's achievable only for those with affordable money.
In this case, China can afford to prepare tanker to stockpile crude oil.
So, it's important for us to stockpile money for saving money.