> I truly underestimated the gravity of emails and support requests. As a one man shop, it can grind entire days to a halt.

Same boat - You can make the most detailed image based walk through FAQ tutorial documentation what have you and you'll still have days filled with customer support.

You'll wake up one morning with multiple emails from billing to product support. The more you grow, the more they come.

PS: You're product hit the nail on the head. I've recommended it to a few podcast clients in the past.