Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increasedprice. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
[business]
If the scheme appears to be a pyramid selling scam, have nothing to do with it.
pyramid selling in British English
noun
a practice adopted by some manufacturers of advertising for distributors and selling them batches of goods. The first distributors then advertise for more distributors who are soldsubdivisions of the original batches at an increased price. This process continues until the final distributors are left with a stock that is unsaleable except at a loss