How to become an SEO expert?
If you would like to become an SEO expert you need to take time to learn the process. You need to accumulate SEO knowledge both in theory and in practice. You could start by teaching yourself what search engine optimization entails through the resources found on the internet.
To become an SEO expert you will need to learn about ALL the various niches of SEO, from web development to backlink building. Only by doing so and refining your skills beyond average can you become a true SEO expert.
In order you reach that level you will need to work on SEO projects alone and as part of a team. Both experiences will further sharpen your understanding of the discipline and help you achieve expert level status.