1 PADI certification courses will cost you $300-$400 and the training will usually last from 2-4 days. 2  The participants will be in small numbers, such as 8 people or less, to ensure quality training. 3  According to the site ScubaMarcos.com, the price for the scuba classes can range anywhere from $350 to $450.
World Ventures is an illegal pyramid scheme. The company World Ventures markets memberships in a travel club that will provide discounts on vacation accommodation throughout the world. These holiday are sold through the company Rovia. World Ventures also offers these memberships to sales representatives.
A Ponzi scheme is a fraudulent investment operation where the operator, an individual or organization, pays returns to its investors from new capital paid to the operators by new investors, rather than from profit earned by the operator.hatever the initial situation, the perpetuation of the high returns requires an ever-increasing flow of money from new investors to sustain the scheme. The scheme is named after Charles Ponzi, who became notorious for using the technique in 1920.