Want to lower your electric bill? 3 tools I use to find the biggest power hogs in my house

This article reviews the Antai ATX 9801 power meter—highlighting its multi-region compatibility, readouts for power, current, power factor, voltage, and frequency—and contrasts it with consumer-friendly smart plugs and smart power strips like Tapo that offer app-based monitoring, remote control, and usage statistics. It concludes that while the ATX 9801 is a robust workshop tool around $75, most home users are better served by affordable smart outlets and strips (e.g., $34 for four outlets, $50 for a six-outlet strip).