Conversation so far:
what is a charity john mayer works for?
Mayer created the "Back to You" Fund.
what does this charity do?
focuses on fundraising in the areas of health care, education, the arts and talent development.
how does the charity raise money?
The foundation auctions exclusive John Mayer items.

Question: did the charity earn a lot of money?
Self-contained rewrite: Did the "Back to You" Fund charity earn a lot of money?