There's a version of agentic commerce you rent. There's a version you own. They are not equivalent — and the difference will matter enormously when AI purchasing becomes mainstream. What you give up when you rent SaaS agentic commerce tools give you convenience. They also give you: Vendor lock-in — when they change pricing or shut down, your commerce layer goes with them Shared infrastructure — your agent runs on the same servers as thousands of other stores, with shared rate limits and shared failure modes No audit trail you control — their logs, their retention policy, their decision on what you can see Monthly fees in perpetuity — $2,000–$8,000/month for a stack of tools that provide less visibility than a properly built self-hosted system on day one What you get when you own it The agentic commerce deployment model deploys agent code to your own VPS. Your server. Your database. Your logs.…