Getting your website listed at the top of page 1 of Google can make a big difference to the number of people visiting your website. And people who visit your website after searching for a relevant term are more likely to buy than people scrolling through social media.
So it is worth making the effort with SEO (that's the process for improving your Google/other search engine ranking). But it can seem like a dark art. This episode sheds the light on what SEO you can do, without needing any external help