A basic webcam typically costs between $20 to $50, depending on the brand, features, and quality of the camera. Some lower-end models may be available for as little as $10, while higher-end models with advanced features such as high-definition resolution and built-in microphones can cost upwards of $100 or more. It is important to consider your specific needs and budget when choosing a webcam, as there is a wide range of options available on the market.