Consignment auction items cost nothing upfront, sell multiple times, and outperform donated items every time. Here's why nonprofits and schools add them to every gala.

Silent auction starting bids should be 30–50% of fair market value, with 10–15% increments and a buy-it-now at 200%. Use this calculator to apply the formula instantly to any item.

Learn the best time to start a silent auction, how long it should run, and proven tips to increase bidding and fundraising revenue.