Best Way to Study THM + HTB Efficiently as a Beginner

The poster is studying cybersecurity using TryHackMe (THM) and HackTheBox (HTB) with Kali Linux, focusing on web hacking for the past 3-4 months. They express concern about inefficient study methods and want to avoid "grinding rooms" without gaining a deep understanding. The request is for a structured study approach that ensures long-term retention of knowledge.