What happens if my left AirPod goes out again past my one year warranty?

It’s a thing. Second generation left AirPods stops charging at some point. I’ve seen several people with the problem online and the Apple store confirmed it today as a common problem. Apple store was fast and efficient at replacing both AirPods at no cost, but I’m still under my one year warranty. If this is so common, what if it happens again outside of my one year warranty? Will i still get new pods at no cost? Do i need to extend my warranty?