Amazon is cheap right? Couple of bucks right? $1.774/hr for a streaming server, sounds great! From their page,
You are charged $85.00 once a month regardless of how many instances you launch after subscribing.
Their words, not ours. And you haven't begun to run your events. Along with prohibitive costs for 24/7 streaming the data ingress and egress charges will pile up. And support is only available on a payment basis.
ScaleEngine is $25 per month. Just with $85 to get your foot in the door at Amazon, you would be streaming 24/7 with 650GB of data streamed out to viewers. With effective direct support and excellent features that are built for real world streaming requirements.