F. Scott Fitzgerald famously wrote that the rich are “different from you and me.” Perhaps the truest way to see this difference is by looking at where wealthy people choose to invest their money. Of course, individuals at every income level may have a standard portfolio that includes IRA or 401k accounts. But those with either high annual incomes or a robust net worth may purchase riskier — and higher-yield — investments. Only accredited investors gain access to these riskier (and often, more profitable) investment vehicles.

Some people say America’s shale revolution (which began in 2006) is now over. However, despite lower oil and gas prices, new advances in technology make energy extraction increasingly cheaper to do. Oil is still the most-traded commodity in the world. Recent refining industry shake-ups from Harvey and Irma uncovered just how quickly American demand for gasoline shifts during a crisis. The upshot? If you’re going to invest in energy extraction, do it now — before American production surpasses OPEC’s biggest members.