Generate more visits and revenue from your best customers.
Offer to create for them a monthly (or weekly) personal “surprise” box. All they have to do is come into the store when they get the alert that the new box is ready. There they can open their personal box and if they like what you prepared they can buy it at a discount.
Have a weekly online live lecture for members. Membership should be a low fee to have as many members as possible. Additional revenues from a commission from lecturers sales. Members can access replays and synopsized replays with just the main points (and the pitch.) This is less about the person and more about the actual help they provide each week.
Help you find new interesting artists in your own city.
Local volunteer editors search and pick one artist to be profiled every week. During this week, people can communicate with the artist on the site. He may also offer special deals for his art during the week. You can sign up for alerts in you city or multiple cities if you wish.