Dear leaner,
We appreciate you for asking this question,as in 10 people 5 people have started their YouTube journey.so they are plenty of topics to start with .but firstly focus on skill building along with passion ,many of them don't succeed in this topic cause they keep aside the indirect skills and just go on talking for hours .
Here are some basic skills one should adopt to start a youtube channel .
Making videos
Editing through adrobe .
Unique niche .
Some management skills .
Perfect in any language which they prefer to talk.so on
To make graphic videos you can take online course for 2 weeks probably in some sites which is free of cost like udacity and learning in youtube is effective way .you can find many relavent videos regarding that .
All the best.
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