Link baiting is simply persuading others to place a direct link to your web page.You need to give people a reason to mention you in their blog or on their website.

SEO includes the ways which increases the ranking of a website in the list of search engine rankings position.SEO link building is used to mainly enable one place their links on other sites that and by so doing your website will be more visible.

Some of the ways of increasing traffic:
1.Forums and Blogs.
2.Article submission
3.Directory submission
4.Social Bookmarking
5.Link wheel
6.Press Release

With proper Ecommerce SEO you will start to be ranked higher for these terms. If the reliability of your website and landing pages is poor in that case your organic traffic will not rise and ineffective.