Here’s the difference between a crap speaker cable from eBay and a high-end cable. Look at the thickness and protection. World apart.
Mind you, the price is also a world apart!
We’re wiring one room for 5.1 speakers. We’ve also put an additional four cables in the ceiling to future proof. I don’t think we will ever have ceiling speakers though. You never know.
Check out my wire cutter from Japan.