I agree with you but if you want good success in business from only these three methods you have to write such content, which is unique, different and not copied from anywhere.
Effective SEO web marketing tips strategy will significantly increase traffic to your website.If you can five tips of effective seo web marketing tips, you can use to help,look for these factors on your web pages.
1. Create Fresh Content
2. Offer something unique
3. Select suitable keyword phrases
4. Optimizing Titles of your Page
5. Optimizing All Page Content of your website