After reading through the forums I am trying to get someone with real experiance to tell me if I am being hurt by having all my eggs in one basket is google sandboxing me I used to get about 100 hits a day on one of my sites and now it is down to 10 or 20 and it seems no matter how good my articals are the are not ranking any more If you have suggestions on how to fix this it would be very help full Take a look at this post and this page if you need an example of my most recent post on the site that used to get 100 hits a day then nothing Not Losing Weight Please help
We will need more info - are the sites cross linked? Are you building inbound links? Your competitors will be building links constantly, you have to keep up. Also, I noticed that your site is 'powered by Yahoo Answers' - so basically your site is a nicely formatted scraper site? What value does that add to the user (this is how Google looks at things) and therefore why should it rank so highly? Build links.