The price of one session is only part of the cost of laser hair removal, because the sources describe repeat treatments.
The session count
DermNet states that laser hair removal "needs multiple sessions". A per-session quote multiplied by the number of sessions you will actually need is a better first estimate than the single figure on a poster. Pages like DermNet NZ's Nd:YAG laser treatment show how clinical sources describe the lasers behind those sessions.
Maintenance after the first round
AAD states: "To keep the area free of hair, a patient may need maintenance laser treatments." That is a cost that arrives after the initial course. When you compare St. Augustine clinics, ask whether maintenance visits are priced into a package or billed later.
How to compare without guessing
Write the same three questions for every clinic: how many sessions the quote assumes, whether maintenance is included, and which laser is used. For the laser question, intense pulsed light therapy on DermNet NZ is one device name worth looking up. Two clinical overviews, from UCSF Health and Cleveland Clinic, are good to read before you sit down for a consultation.
Choosing a clinic on the full course, not the session price
Do not choose on the lowest per-session price. Choose on the full course as the clinic describes it, in writing, and ask about anything the quote leaves out.