Startup cost: $500 - $3k

Setup costs range from $500 to $3,000 depending on the level of investment in tools and resources. At the minimum end, one could start with a basic website, business registration fees, and essential software tools for security consulting. On the higher end, investing in advanced cybersecurity software, marketing services, and professional branding can enhance the business's credibility and reach. Essential expenses include website hosting, cybersecurity software subscriptions, legal fees for business setup, and marketing materials. Optional expenses may include professional certifications, advertising campaigns, and premium software licenses. Hidden costs to consider are ongoing software subscriptions, marketing expenses, and potential certification renewals. Online discussions indicate that while starting costs can be kept low, they may increase as the business grows and requires more advanced tools and services. To take this side hustle seriously, a friend should budget between $500 and $3,000 to establish a solid foundation for their AI-enhanced mobile device security and privacy consulting business.