SW did not need to make a substantial investment in Thrive to start her business. Typically; a person begins to use the products, recognizes a health benefit, and starts talking about it. Or; others notice a difference (more energetic, weight loss, less joint pain, etc.), and ask about it.
Once SW told two others about the products and they began to use it, SW would then receive her base products for free. All new clients place orders on-line, and are enrolled in auto-shipments. SW was not responsible for placing orders, delivering product, etc. Thus, it was not necessary to purchase a large inventory and attempt to sell.
Hope this is helpful- trying to explain how SW's business worked, in a general sense. SW was so impressed by the product, that it was very easy (and exciting) for her to promote. She wanted others to feel as good as she did!