This eBook delves into the transformation of the car rental industry, examining how ancillary products evolved from bundled basics to personalized, high-margin offerings. With insights drawn from decades of industry change, it traces the journey from the all-inclusive models of the 1960s–1980s to the unbundling revolution of the 1990s-2000s, and finally into the data-driven personalization of today. It explores key product categories-insurance, technology, accessories, and convenience services-and reveals the behavioral economics that shape customer choices. Anchored in cognitive psychology and behavioral triggers such as framing, loss aversion, and decision fatigue, the eBook highlights how companies can strategically position and price ancillaries for optimal engagement. Ideal for car rental professionals and strategists, this guide blends market intelligence with practical frameworks for monetizing the customer journey in a hyper-competitive environment.