A good SEO website management set up will cost you $1000 or more a month. And they don't offer free trials. Shopify has plans as low as $29 and go up to $299. Great for Mom and Pop shops or somebodies hobby.
Matt needs to get a dedicated website guy. His site has been up/down, suffered from broken links and missing content for a couple of years. I'm guessing somebody in house is doing his website. Wife? Mom?
Having a pro for your website now a day is paramount if your going to focus on online sales. Pretty sure Eargo doesn't have a Shopify site.