How do I add a product to Product Monitor? Can I add any product (not just my own)?

video1.0<iframe src="https://www.loom.com/embed/098d40159c0b44f99d5431705f1d8db0" frameborder="0" width="1280" height="960" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>9601280Loomhttps://www.loom.com9601280https://cdn.loom.com/sessions/thumbnails/098d40159c0b44f99d5431705f1d8db0-00001.jpg126How do I add a product to Product Monitor? Can I add any product (not just my own)?