This article discusses the definition, function, economic value and potential pitfalls of health insurance exchange or health insurance marketplaces regulated by the Affordable Care Act (ACA). It explains how these exchanges allow insurers to compare insurance plans in a cost-efficient way, and how they provide transparency and accountability, ensure the delivery of subsidies and increase enrolment. It also highlights the economic value of covering every countryman under Healthcare Insurance policy, and the potential pitfalls such as limited competition, high premium rates, data security concerns, loss of coverage for part-time employees, and various scams.