A pyramid scheme is a way of making money that cannot continue very long. It involves promising people payment, services or ideals, primarily for enrolling other people into the scheme or training them to take. It does not supply any real investment or sale of products or services to the public. Pyramid schemes are a form of fraud. For this reason, pyramid schemes are illegal in many countries. This type of scheme has existed for at least a century years. The way the scheme is described is sometimes changed to hide kids make money pyramid scheme it is doing. Many people believe that multilevel marketing MLM is also a pyramid scheme.