Across 37 published DFW prices, the median Botox unit is $13. At a $6 product cost, that can leave about 28 cents on the dollar after chair time.

A patient who already spends $199 a month and joins your $199 plan adds nothing. The member who looks most profitable is the one likely to cancel.

One widely read injector pay range fits its own 35% guardrail only above $900,000 in production. Three pay models tested on one hypothetical P&L.

A device that needs four treatments a month to break even can still lose money. The difference is how many of those treatments are new revenue.