>EBS volumes are very expensive, AWS throttle your throughput unless you pay for provisioned IOPs How does using local SSD instead of default EBS help achieve

>EBS volumes are very expensive, AWS throttle your throughput unless you pay for provisioned IOPs How does using local SSD instead of default EBS help achieve higher throughput though? I get it's cheaper and lower latency but I fail to see how the rebalance magic solves the throughput tradeoff for all unless they throw more ram at it.