Multiple accounts in same home - Terms of Use

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BacardiFrozen wrote:

Hello there, I just read the rules and GGG says you allowed to run 2 clients on 1 PC. After that, I saw a post like getting banned about breaching terms of use.

I've a question here, I've 2 pc and planning to run 2-3 clients (main account on first pc, 2 afk account on 2nd pc) Can I do this for getting party advantage and leveling gems? For example, can I level gems on afk characters? If its not allowed, what can I do with afk accounts except party advantage? All of these are mine, can I transfer items between characters?