Risk of Ban / Group Farming questions

[marco75]

Hi, I am new user and I'm deciding whether to take new license, my question is what is the percentage of risk to ban me?
Shall I just do not exaggerate with the number of hours of used?
The risk is there or not?

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Group Farming questions:

the Group Farming is recommended? Using it many user?
How does it work? Do I have to use one virtual machine for each D3 or BotExploit open multiple sessions of D3 on a single computer?

Thank