Google has made it less beneficial for your website if you have a link from a web directory. You may not be able to inherit the pagerank value from the page where you submitted your link. So you may want to stop paying for directory submission.
And without enough backlinks, your website and web pages may never be ranked high in the search engine results and your pagerank.
Directory submission used to be one of the effective method to inherit pagerank value. Now, it is no longer that easy. However, it is still an effective way to get your new web pages crawled by the search engine robots in a relatively short time.
Expired Domain Name
One way to get quick pagerank and traffic is to buy expired domain names. And I have dabbled into Domain Name Trading recently, to find out how effectively this method can quickly add PR3, PR4 and PR5 websites to my inventory. So far, so good. As long as you do your homework and make sure that the pagerank values genuine and confirm the number of existing inbound links, you'll be quite safe.
I am more interested in the existing inbound links - both in terms of quality and quantity. I used the following tools to help me check the pagerank and backlinks:
And these are the sites (affiliate links) where I look for expired domain names: