You don't know that many people have been taken in by Amway and hoarded all their possessions. As a result, they couldn't survive and had to sell it cheaply.

Many online goods can be delivered at a 30% discount. The retail price is about 50% off.

There are also some high-level pyramid schemes, the price is very low, and the formal channels are only 50% off. They usually sell at a 15% discount.