The markup on cables is huge. The markup on premium cables is even bigger. That’s why the cable you need to connect your device to your TV frequently doesn’t come in the box. Making matters worse, it’s hard to know which cable to buy. Are expensive HDMI cables worth it? Are they worth the extra money?
It’s more complicated than it used to be, since an 8K HDMI cable is different and does cost more to make than a 4K HDMI cable. But all other things being equal, there’s no difference in audio and video quality between two cables with the same specs and a different price.