Become Youtuber
All successful YouTubers have a Category of content.
you should be clear about why you're making that kind of content
you need to get to know your target audience.
you really want to understand what already works well in your niche and what you can do to stand out from the crowd
Your Channel Page is like a storefront. It needs to suit your style and be tailored to your audience
Aim to plan your content at least a month in advance because you can be more consistent and more focused when you have a broader overview of your content output.
Assuming you know who your watchers are, you can find out when they will be online looking for content
Always reply to comments of your videos
Advertising , Cross Promotion, Networking is best way to promote the channel