Jeremy
You are going to get varying answers and the reason is simple. Each market is different and what it will bear is what dictates pricing. In the DC area there are too many detailers and only a few who know what they are doing and offer services like semi perm coatings.
The clients who want this usually know what it is or have a better understanding of what you do and how it relates to their vehicles protection and are willing to pay for it. There is no formula as I have seen but one technique is to check out local detailers websites and see if they have a pricing matrix listed and compare against yours. Also gauge your client and what you think its worth to them and if you’re able to withstand the effort vs. reward cycle.
With a coating I’m assuming a full correction has been done so you stand a better chance of retaining the client in the long run so does this affect how you price it? That’s up to you and your gut feeling.
As you can see there are lots of variables. I have a customer who pays the
agreed price and never wants the extras. I have others who want as much as I can provide and tip exceptionally well. It all comes down to wants, needs and budgets.
For me, I take the price of the product, my labor, time and the "value" of whats being provided into consideration before coming up with a price for a-la-carte items. This usually allows some wiggle room if the client is apprehensive.
No right answer but I hope the info helps guide you success
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