If your workload fits long batches throughout the night you could schedule them better, yeah. But I think very few have a usage pattern like that? Given the ha

If your workload fits long batches throughout the night you could schedule them better, yeah. But I think very few have a usage pattern like that? Given the hardware shortage in the world, I suspect renting ("sharing") via APIs will likely remain cheaper for the foreseeable future since each piece of hardware isn't sitting idle nearly as much.