If you don’t have a website, you could post it on your social media account profiles. If you can get a few referrals a month, that’s free money for doing almost nothing.
You could easily build one yourself these days simply by clicking and dragging photos. Webs, Wix and Weebly come to find for free websites that require NO experience.
You could also write reviews on Reddit if you don’t have a website/blog. Make a YT video review. Post on Beer Money Forum (B.M.F.) & the thousands of other forums/websites for free forms of advertising.
Check the “Programs” section for two ways to get free traffic to your site.