Best free SEO tutorial?

I’m pretty new to BHW and I see it’s flooded with people trying to sell things. As of now I’m just looking for a free tutorial (ebook/video of some sort) to get my feet wet with SEO, can anyone point me to one?

I couldn’t find one in freebies

There are plenty. Go to one of the SEO subforums and check sticky posts.

Start with these:
https://www.blackhatworld.com/seo/how-to-rank-a-quick-guide-for-newbies.781273/

https://www.blackhatworld.com/seo/the-no-nonsense-guide-to-building-your-pbn-in-2017.944503/

https://www.blackhatworld.com/seo/3-years-on-bhw-the-only-seo-guide-thats-worth-your-time.873651/

Welcome! It seems you are checking our Marketplace section and that is why you are able to see those sales thread.

I would suggest you to go through our sticky posts in White Hat SEO and Black Hat SEO section.
Also, you are interested in videos or Ebooks then ample of ebooks are shared in our download section along with 100% Free Udemy Video course URL's.

https://www.blackhatworld.com/seo/read-this-before-you-ask-an-seo-question.1040158/

Also, check semrush academy, which is free to join. I think it was also recommended by someone from this forum.