To start marketing your online business, you should learn SEO. But before you throw your hands up and give up because SEo is too technical for you, let me tell you this: even simple SEO can help. The simplest of techniques are good enough to make your business go forward. Of course, you can just rest on your laurels and be satisfied with that, however, if you try to learn the more complex stuff about SEO, the more your business will be successful. But in the meantime, learn the basics, learn simple SEO and apply it. And even that can prove to be a huge difference.