Welcome to steemit. Just so that you know, the blockchain has a way for you to use videos without using the evil youtube. d.tube is the tool that allows you to upload your own videos as well. Lots to learn. I have some blogs that I wrote a while ago to help new users. Here are a few:

https://steemit.com/ungrip/@wwf/a-list-of-my-favorite-steemit-tools-do-you-have-any-to-add

https://steemit.com/ungrip/@wwf/stewards-of-terra-mater-still-growing-strong-after-4-months

I hope this helps. Welcome!