Idea:Record calls and make them available to others through the website. Less repetition of questions and you will be available to have a much wider outreach.
Just called in and talked to Chap. I wanted to make sure he got to see the idea and know about before it got lost. He immediately made the jump to transcripts and text-based stuff.
And as a rate-limiter, there could be a requirement that you transcribe earlier conversations to get "credits" for service. That is, every 100 words buys you X minutes of advice.