Riverside International Wine Competition was a client with my consulting business, beAutomated. We built a WordPress Plugin to help them manage their exhibitors, who must submit their information annually.
Rather than having them type everything in each year, they now have an account they can use to preserve their information, so the only thing they have to do each year is enter their new wines for the show and make their payment for the entry. Each wine has hierarchical categories that must be appropriately set with a special selector, and entrance fees are processed by their credit card in realtime.
Monetization on this project is via saving administrative work on payment processing, and winery data entry.