It may help to introduce a few different levels. Like offer your distilled videos (which are less frequent, I believe) for price X, and all videos for price Y. Experiment with offering to let people watch you record the videos live as well, that would be a fairly unique experience, although no idea how well it would work in practice (no "I'll research this offline, brb", but you could reach out to those watching interactively as well).

Good luck, I got a ton of info on testing out of the KS series, and recommend your site whenever someone asks me about JS testing.