The Affordable Care Act has provided significant start-up funds to help states set up their health insurance marketplaces. But after January 1, state-based marketplaces must be financially self-sustaining. In a new blog post, Sarah Dash of the Alliance for Health Reform and Kevin Lucia, Justin Giovannelli, and Sean Miskell of Georgetown University’s Center on Health Insurance Reform look at the various approaches marketplaces can use to fund their operations, including user fees, state appropriations, or redirecting existing revenue sources.