A VPN, in my opinion, is more sketchy than not using one because if you are so worried about Cip taking time to analyze connections, you would think that multiple changing IP addresses would indicate account sharing. Just a thought...
And I bet you made all these accounts right around the same time, so when a report comes in, all Cip would have to do is look at the registry of recently created accounts, and see yours (some tie between them whether it is same pass, similar login, etc) all created one after the other. If there is IP tracking then this would fuck you as well. All I can say is be more careful... don't be fucking ridiculous about botting, and write your own scripts with a respond-er when people msg you.