Can I do SEO for myself?

Things to be counted :

1.Yes you can

2.The world of SEO is complex, but most people can easily understand the basics

3.A small amount of knowledge can make a big difference

4.Combine your Seo knowledge with a little practice and you are well on your  way

5.You need time commitment and willingness to learn

6.You need to have a good grasp of the core concepts and elements of Seo.