for start ups use things like : Digit, reddit and ma.gnolia they all give a little traffic if your site is new and not getting much to begin with
Vary your traffic souces. This creates a better link profile and you don't find your relying on traffic from one source.
In realestate we have all heard that location,location, and location are the three most important things. In SEO it is backlinks, backlinks, and backlinks and some more! Of course they should be relevant and from good sources(see all of the good posts in this thread)!
- High traffic to have higher return on investment. - To know the quality of the website, you must target the search engine Google because Google assures the quality of websites.