Core Insights - Wealthy individuals, particularly millionaires, frequently utilize credit cards due to the numerous benefits they offer, including rewards, protections, and convenience [1][15]. Group 1: Benefits of Credit Card Usage - Millionaires earn valuable rewards through credit card usage, such as cash-back or travel points, enhancing their purchasing power without needing to spend more [2][3]. - Credit cards provide added protections and insurance coverage, which help in safeguarding purchases and managing risks associated with spending [5][6]. - Travel perks associated with credit cards, such as airport lounge access and concierge services, enhance the travel experience for wealthy individuals [13][15]. Group 2: Financial Management and Convenience - Credit cards facilitate easier tracking of spending, allowing users to sync accounts with budgeting software and manage expenses more effectively [10][11]. - The use of credit cards minimizes the need for cash or checks, providing a more convenient payment method that can be integrated with mobile payment systems [12][15]. - Millionaires benefit from the fraud protection offered by credit cards, which limits their liability in case of unauthorized transactions [8][9].