Biz Rebel - Business | Marketing on Instagram: "Foldable Bottle Business Looking for a profitable side hustle? A clever entrepreneur in China created a foldable water bottle that’s taking the world by storm. Lightweight, compact, and easy to carry anywhere—from the gym to the beach—this small business idea combines functionality with style. With the right marketing strategy, this online business can attract hundreds of customers daily. Perfect for anyone exploring business ideas who wants passiv