This video details how the speaker earned over $60,000 in a single month from one YouTube channel and over $550,000 lifetime earnings across multiple channels. The speaker emphasizes the importance of focusing on one highly profitable niche rather than spreading efforts across numerous channels. He shares strategies for identifying and exploiting profitable niches, including analyzing trending videos and understanding audience demographics.
The "mystery" element refers to creating intrigue and a sense of anticipation in both the video title and thumbnail. The speaker suggests that including a question, a promise of a revelation, or some element of surprise will significantly improve click-through rates. He contrasts a title like "I made $3 million from YouTube automation" (lacking mystery) with "Screw it, I'm revealing all my secrets to make 100K per month through YouTube automation" (containing mystery). The added element of mystery increases the viewer's curiosity and makes them more likely to click and watch the video.