I need suggestions on advertising my site that provides reivews and ratings for online products and services. It would be even better if it was free.
Hmmm, i'm sure you'll get this from someone else... but contests are always nice. Cash prizes are good. If you have a rating system on your reviews then perhaps you could have the contest around that.
if your site is a blog then check this out: http://free-stuff-finder.com/miscellaneous-freebies/4-free-blog-review-websites/