A website is often the first port of call when somebody hears about your business. It doesn’t have to be elaborate, but it does need to tell potential customers about you and your product.
If you can’t afford dedicated technical help to design and sustain your website, you can do it yourself. We recommend Wix website templates for small operations wanting to create their own websites.
WordPress is another option if your skills are “higher grade” and you have the time.
Here’s a great article comparing the two: Wix vs WordPress.