Oh good grief...!
An assumption on my part...?!
Yes, sure - a course & card with an accredited agency would be fine, except that not's 100% accurate. Who is to say that an agency is accredited? Some leading agencies are not members of RSTC. Anyway, the infamous ones to avoid are SDA or Scuba Divers of America, OnlineScubaLessons.com,
Aquastrophics, and there are others. See...
As I so often do...?!
I really cannot think of anytime that I have thought that you overcharged for your top line services, much less suggested that - and I just don't think I have. I know that you supply much more than the cheaper operators, and I have no problems at all with your charges. Indeed, I saw your post above that dives were not required. I did not know that you do include those. I was thinking about what some of the stateside shops charge, but enough.
Which would not apply to his case. It sounded like he'd heard that he can be more susceptible even after a proper healing period and all, but maybe he meant otherwise.