With the rise of digital learning, free online courses are becoming increasingly popular. But are they truly free, or do hidden costs lurk beneath the surface? This article explores the catch behind these offerings, such as potential fees for certification, limited access to materials, and engagement challenges. It delves into the benefits and drawbacks, offering practical tips for making the most of these courses. The key is understanding what you're signing up for, so you can harness the full power of available resources without unexpected hurdles.