Nearly three years ago, I showed you an awesome $8 cable tester that quickly tells you if your USB-C cable is likely fast, slow, powerful, or weak. Sadly, that gadget got discontinued, and I've never found anything as intuitive or inexpensive since.
Source: [The Verge](https://www.theverge.com/gadgets/963759/whatcable-usb-c-cable-tester-app-mac)