Yep if you getting huge bills you should be doing on prem HPC eg where a 15k budget means 15kw per container and your into exotic network designs where 10g wont cut it any more.

eg from 2011 6400 Hadoop nodes like http://bradhedlund.com/2011/11/05/hadoop-network-design-chal...

God only knows what fun you could get up to with modern tech - I miss bleeding edge rnd