Get more visitors to my site and facebook group?

[Jakester]

Yahoo site explorer reports there are 18 links to your site so far, 5 that seemed to be relevant to your biz. The top search result for Decking; trex.com has 7435 backlinks, while you can't expect to ever rank for such a broad term, if one of your articles is on "The most weather resistant decking material" you may rank with the occasional person with that exact interest.
Some SEO pros recommend spending spending 2/3 of your efforts off-site creating backlinks and promoting. Though artificial backlinks are not approved by the search engines, since they are used to gauge a site's popularity, every does backlink building in some form. There are 3rd world crews that an generate 100 backlinks (of questionable quality) for as little as $7. The monthly lists of dofollow link opportunities published by Angela Edwards show where you can be the 1000th person to place a spam comment or forum signature.

Marketers have pointed out that paid facebook ads are less expensive when the link to a facebook group, it seems that facebook ads have to be more of a soft sell relationship building start.

Have you looked into twitter as another traffic source?