Tip 1: Niche Down
Now, you may not get what I mean by this and I didn't get it either but this is basically finding a specific topic to talk about because while your small you don't want to go too broad or nobody will find you amongst the big channels but make sure it's big enough that people are looking for it or again people won't find you as easily.
For me, I started a channel in a niche of Cheap BB Guns and I grew it to over 500 in a matter of months because not many people were making good quality videos about low-quality products. (Video on what I did to grow it from 100-500 in 2 months)
Tip 2: Upload Properly
Uploading right is a big part of growing your channel and I would tell you about what I think this looks like but I'd just be repeating what I said before in a video so here's the video