Price comparison refers to the act of comparing the cost of a product or service across different retailers or providers in order to find the best deal. This process involves researching and analyzing the prices, features, and quality of similar items in order to make an informed purchasing decision. Price comparison can be done both online and in physical stores, and is often used by consumers to save money and get the most value for their purchases. It allows individuals to weigh their options and choose the most cost-effective option, ultimately leading to smarter and more efficient shopping.