most important tip to remember while doing SEO?

[Deepak]

tip which are better time managing and always positive results

[Jake]

Due to rising quality standards, some techniques that worked a few years ago, can now get a site put into the penalty box for up to a year, don't mindlessly follow outdated guides.

[wilson]

Content is the king nowadays. You content should be unique and have some sense with interesting topic.
Do off page seo regularly but in related niche with high PR.

[BILL]

Having quality content is first and foremost the most important and so you need not worry too much if you are providing only quality content. However, do not neglect your SEO though as this is one way of standing out .

[Harrison]

...focus on content, because the search engines love fresh quality content.

[Richard P Best]

Content is king for on site SEO.

Context is king for link building.

Throw in a little social media and you have a nice blend!