step 1) ask someone who is actually talented with animation

no but really, just do it for enjoyment, have fun with it
have an idea, animate it (not the other way around, animate with a purpose)
don’t get hung up on “realism” so much, make it something entertaining
generally, keep in mind nowadays short-form content is king as well
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if your goal is to build a channel, upload frequently and don’t watch the numbers, again, do it for enjoyment, the numbers will come later