I run a small eCommerce store — is SEO even worth it, or should I just stick with ads?

Both have their place, but long-term, SEO gives you stability that ads can’t. It takes time to build up, but once it works, you’re getting free traffic. You can find a lot of useful tips on how to start SEO properly over at Datnera — they cover product pages, category structures, and even content strategy for stores.