You can buy a “lot of computers” on eBay for cheap, setup k3s on them. You don’t need a lot of horsepower to play with all of those things locally. Here is an example.
I setup K3s recently. Is there a whole lot of difference playing with that vs. K8s? From a user/app dev perspective (not devops/k8s core dev of course) I ask as it seemed to work really well.. wondering if there is a catch/limitation I'm not seeing.