Google SEO Help

Hi everyone, new to forum. I've noticed over the past month that a few of my domains are slowly dropping. They were in top 2 - 3rd position under competitive words. Now the have dropped to 6 - 8th position.

my questions: anyone else running into this?
Will i have to go chase down more links to my sites?

I hate wasting time adding more backlinks to my sites, i would rather
spend my time building quality content.

any help would be most appreciated.

Content is king!.. You have to update your content regularly.. You have to participate in building links too!.. You can promote your site and generate traffic if participate in building links..