500+ bought in past month. Amazon with Souina has the Firsting 5' 4"-1 USB-C Charging Cable with 4 Type-C Connectors for $9.99 - $5 off with coupon code 464ERQWW at checkout = $4.99 with free shipping on $35+ or with Prime.

Amazon promo codes don’t always work on the first attempt. Try refreshing the page and re-entering the code.