Much the most important decision in investment management is what sort of assets to invest in.
Most types of investments are straightforward. There are exceptions.
Derivatives, such as options to buy or sell shares, futures on stock market and bond market indices, and forward foreign exchange contracts, are complicated. They are not suited to amateur involvement.
Structured products, themselves involving derivatives, add several layers of complexity. They can be utterly impenetrable. The impenetrability allows those who do the structuring to charge high fees, which are hard for the investor to get a grip of. In this book we will leave these aside, which is where the private investor should leave them.