How much does it cost to start an Amway business? Amway Support 01 May 2020 01:38 Updated The minimum cost to join Amway in Australia is to buy $99 worth of exclusive Amway product. Your initial and subsequent purchases are protected by Amway’s 90 Day 100% Satisfaction Guarantee. Related articles Can you make money with Amway? What is an Amway Independent Business Owner? Who founded Amway? What are the key ARTISTRY anti-aging ingredients? Can I cancel a BodyKey One-to-One challenge once accepted.