Ask most med spa owners what it costs to acquire a patient, and you'll get an answer. Ask what that patient is worth, and you'll usually get a pause — and that pause is the most expensive gap in aesthetic practice economics. A retained patient can easily be worth $3,000 to $6,000 over a few years, while acquisition costs around $132. Once you internalize that number, spending $150 to acquire a high-intent organic patient stops looking like an expense and starts looking like a predictable investment. Here's the math that rewrites everything.