free website for promoting products by affiliates ?

I'm doing a content creation about food delivery (stories, situations, offers from the company, tutorials for the programs, or how to use)
And I wanted to build a website or landing page that looks professional, where is can promote and affiliate products for productivity or the best for use in this job

i'm using now linktree for links and shop, but have maybe something better?

Waiting for ur advice. I appreciate any idea
Thanks to the BHW community