The success of this method was due to businesswoman and housewife Brownie Wise. Hired in 1951 as Tupperware's vice president of marketing, she energized their multi-level home party sales system. A well-dressed, skilled woman dealer would demonstrate for the party hostess and her friends the merits of Tupperware. Sales were made and products were delivered by personal follow up. In the days before Amazon, it was quite a system.
Tupperware dealers had the support of the company and their regional network, spurring them to develop their skills and enlarge their party bookings. The Tupperware company built a large convention hall and meeting center at its HQs for training and motivation sessions for its dealers. Although Wise was fired in 1958 in order to facilitate sale of the company, the system she built carried on for decades.
Those days and the Tupperware sales model are mostly gone, done in by competing products, massive retailers like Walmart, the Internet, and the many calls on the time of women as they entered the workforce en masse. As traditional housewives diminished in numbers, Tupperware parties declined as well, which mostly killed their sales model.
The Pampered Chef followed this model.
They still have some great products.
ANY new home owner needs a Bar-B-Boss Spatula for their grill.
https://www.ebay.com/p/1400201218
Mine is about 35 years old. Still works great.