It sounds like you need more in terms of actual application architecture & design - whether or not to offsite some of that capacity to AWS is purely a cost meas

It sounds like you need more in terms of actual application architecture & design - whether or not to offsite some of that capacity to AWS is purely a cost measure in the end. You will still ned to deal with systems and sysadmin tasks - and those can always be contracted out. AWS does NOT save you from that.