I think its content and SEO.
we launched today our platform which gives free access to a content and SEO playbook that we used to tripple our leads within 4 months :)
feel free to test it for free and to provide feedback :)
https://www.producthunt.com/post...
Product? :)
It will be hard to work in Growth marketing if you do not have product-market fit. You need to have some understanding of product and conversion rate optimization.