This. Especially if you just want to try a bunch of different things out. Renting is insanely cheap -- to the point where I don't understand how the renters are making their money back unless they stole the hardware and power.
It can really help you figure a ton of things out before you blow the cash on your own hardware.
runpod, vast, hyperbolic, prime intellect. if all you're doing is going to be running LLMs, you can pay per token on openrouter or some of the providers listed there