If you want similar low-maintenance repertoires, consider these popular "system" openings often recommended for the same audience:

While there isn't a single "idiot-proof" chess opening repertoire that works for everyone, the concept is very appealing, especially for beginners or players looking to reduce their opening stress. When searching for a repertoire, consider your playing style, the level of complexity you're comfortable with, and the type of games you enjoy playing. Always look for resources from reputable chess authors and websites to ensure you're getting high-quality advice.