I agree that you can find many low cost or no cost methods to promote your website. In the same way that you would like to achieve top rankings under the keywords "used office furniture", you can also find well-to-do websites to trade links with that have similar categories to your keywords.
I see that you do have some nice content on your site by making use of printing your newsletter articles. The only thing that does not sit well with that is that the page rank drops to zero for these pages. Either this is a new addition to your site or there is something not setting right with Google and your pages.
For more ideas, check out the promotional page at:
http://www.designingonline.com/desig...promotion.html and you will see a few examples of how you can become associated with websites that have great Alexa ratings.
Have a great day!
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