Crude Oil Price Slump is a Once in a Decade Opportunity to Make Money, Guaranteed

All investments carry risk. There are no safe investments in the sense that “you just can´t lose”. But risk can be greatly reduced, according to the entry point and the timespan of the investment.
The commodities cycle
The world is currently awashed in oil and natural gas. This is the reality of today. But as sure as day follows night, this glut will turn into production deficit over the next few years. All commodities traders know this and have seen gluts turn into deficits dozens of times, in different markets.  Why does this happen?