I had a big simulation to run that required lots of memory and lots of cores. I rented a machine for some 10 hours that it took and happily paid the 30-40 dolla

I had a big simulation to run that required lots of memory and lots of cores. I rented a machine for some 10 hours that it took and happily paid the 30-40 dollars that were charged. those machines have a lot of value for specific workloads.