300+ Subscribers will be add on your channel. Real Subscribers gets manually by channels. I am active seller on Channels for do adds Subscribers. You can easily gets many Subscribers with safety.
I don't use bot , only channels adds.
I continue working about Subscribers many years and I have also extra knowledge of YouTube Subscribers.
I can give you with safety subscribers.
https://www.seoclerk.com/linkin/322715/social-points/522101/300-manually-and-safety