As multiple people have said here, every channel starts from zero.
What you really should be asking, is how your channel can get an advantage over others in your niche and grow quicker from 0 than they did, and the way you'll find the answer to that is by researching other channels in your niche, researching keywords wihch bring the channel traffic, researching and capitalizing off of common unaddressed issues/problems in the niche, and rehashing existing content in a way that captures the viewers attention better.