Investing will never be risk free and finding 100% sure investments is pretty unlikely. But it does not mean that all investment opportunities are sketchy. Actually if you look and study carefully, you can find low risk investments that are established and very good for investments. Then as you learn more about how the market works, you can start learning about taking on high risk investments that might give you bigger rewards.
Having the basic knowledge of any investment you want to start is one of the major thing someone to do anytime they want to enter a specific business, and that is the only way to be successful trader or investor, because there is no way they will be able to manage the risk associated with investment without knowing the knowledge of where they want to invest in to. So before someone earn they need to learn. However, when it comes to comes to taking risk in a business, someone’s have to be very careful about this, because that is what will make someone to take care of their investment, and get profit from it.