When should I consider upgrading from shared hosting to VPS hosting, especially given the myriad of options available in today’s digital landscape? Is it when my website experiences a noticeable spike in traffic, leading to slower loading times and potential downtime? Or perhaps, I should evaluate the situation when I find my site’s performance suffering due to resource limitations imposed by the shared environment? As my business expands, are there specific indicators, such as increased storage demands or heightened security concerns, that should propel me towards a virtual private server? Furthermore, could the need for greater customization and control over my hosting environment serve as a catalyst for this transition? Is it prudent to discuss the long-term implications on scalability and overall user experience with professional advisors before making this pivotal decision? What factors should weigh heavily in my deliberation as I contemplate this significant upgrade?