Testing a paid office hours tier for my non-buyers

I have around 900 newsletter subscribers and about 40 who have ever paid for anything. I kept assuming the problem was price, so I tried something else: a small monthly office hours tier, no course, no curriculum, just access to me twice a month. $19, capped at 20 seats. Ran it for five weeks to see if the non-buyers were sitting on a price objection or just not interested in a course.