Do multiple devices help?

Against most platform rules and often filtered. One device per account is the safe default.

Is buying streams OK?

No — paid bots harm the act’s eligibility and can ban fan accounts.

Charts · K-pop 스밍·총공 파티 운영 방식

K-POPストリーミングパーティの仕組み

Align on one playlist order so skip rates stay low.
Mute ≠ complete play on every service; follow the host’s service-specific checklist.
Do not share passwords; hosts should never ask for them.