Three weeks ago, a bunch of my pages that were submitted in sitemap.xml seemed to have gotten delisted by Google. One the one hand, it looks like the rankings for the "standard" keywords remained. On the other, my business has collapsed during this time period. What could this be? This is what I'm seeing in WT:

There are some other WT problems as well that I need to fix, so please PM me if you know how to fix the above with a $$$ quote for both the above and the below problems:
1. 26 pages with duplicate meta tags
2. 8 pages with short meta tags
3. 13 pages with duplicate title tags
4. 20 crawl errors
There are some other WT problems as well that I need to fix, so please PM me if you know how to fix the above with a $$$ quote for both the above and the below problems:
1. 26 pages with duplicate meta tags
2. 8 pages with short meta tags
3. 13 pages with duplicate title tags
4. 20 crawl errors