welcome to the forums! We're all here to help each other out!
If you want to grow, consider who you might wanna assist here in return, if you like what their channels provide of course, not just blind sub for sub
if you have any questions feel free to ask
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people here are really helpful - if you want your subscriber base to grow as was said you have to be pretty active in the community - a subscriber base is after all a community of people who are interested in you - not just an army of loyal adorers you never have to interact with hehe..
welcome to the family!