Is content enough for SEO?

[manic]

I figure that Google doesn't want their search engine cheated.

With or without social media, is content enough?

If I write enough content, as long as it's worth reading, is it possible to get good traffic in the future?

For those who might know, if I were to write an article every day, then by the end of the year, if I created 365 well written articles that were very informative, and my site design was very slick and clean, what sort of traffic do you think I would be getting?

I own about 14+ sites now, 4 of which I try to juggle dominantly than others.
One site is about personal opinions, which I constantly recreate my site and content on this, I can't make up my mind...
another site is a helpful, informative site, but I haven't advertised this yet because i'm not sure if it's ready.
Two other sites are large image sites, based on certain niches.

Only making about $1+ per day, which is awful but i'm trying to figure out the big picture before I scatter random crap over my sites and have more work to redo than I can handle.

Thanks for all answers