Startup cost: $500 - $3k

Setup costs range from $500 to $3,000 for starting an Amazon FBA Online Arbitrage Business. At the low end, the minimum amount would cover basic expenses such as initial product purchases, shipping, and Amazon seller fees. On the high end, the maximum budget allows for investing in more inventory variety, software tools for product research and management, and possibly advertising. Essential expenses include product sourcing, shipping supplies, Amazon seller account fees, and initial inventory purchases. Optional expenses could include investing in third-party software tools for product research and analytics. While some hidden fees like storage fees may arise, they are generally manageable with careful planning. According to online communities, costs can vary widely, and it's crucial to start with a realistic budget to avoid overspending. To take this side hustle seriously, I would advise a friend to budget between $500 and $3,000 to ensure a strong start and sustainable growth.