Such long tail key-phrases shouldn't be used with greater frequency, also you should mix up the phrase in a variety of natural language sentences.

Also proper Keywords distribution on pages is important.

@MktgRob, Can you clarify, are you talking about conflict between trademark owner and reseller of the trademarked goods or services for the bidding?

There could be multiple reason it disappearing from search results, try out to find the issue through the diagnostic area from google webmaster tools and try out to fix.

Do you mean multiple domains hosted on the same server?

Sorry, So my post can be considered as duplicate content. :)

Here is the Myth about duplicate content discussed by Matt Cutts; http://www.webpronews.com/topnews/2009/09/16/google-busts-the-duplicate-content-myth

Since you're in website designing & Development business try out to create unique presentation or something that can help you boost up traffic through video marketing.

Good tools to share your success stories and expertise in specific field.

Google Analytics is great tools especially if you're using Adwords program.

SEO is part of SMO- Can you elaborate this?

High PR directories preferably with do follow links.

Best tools to get idea about market trends before launching a product or service.

I think you're talking about this add-on from firefox? ; https://addons.mozilla.org/en-US/firefox/addon/5687

Yes, you should also respects the intellectual property of others.

Using variations is advisable but why you will point all of them to home page? If you use variations point them to specific landing page.

Dynamic Site SEO Tips (http://www.sitepoint.com/article/dynamic-site-seo-tips-hints/).

Yes.

Promote your feed through rss syndication and share the blog posts through social bookmarking/networking sites, I think it should help you in getting traffic.

If you are going to select the directories which have impressive listing, good page rank and popular one, the submission still worth.

Not necessary to submit, it will find your site on their way..

Check with Big-boards.com, it list most active message boards/forums of different niche.

Its Google's secondary database that includes pages of less importance, the duplicate content may appear here after filtering.

I don't think articles submission worth these days, however if you're still interested and worried about duplicate content issue, you should rewrite the article and submit.

Positive or negative?

Here you can find answers of couple of questions that in your mind; http://googlewebmastercentral.blogspot.com/2008/06/improved-flash-indexing.html

You can also check with keyworddiscovery & wordtracker.

If you're getting good number of quality links it will help you in both PR & traffic, because backlinks are good for both SERPs and PR.

I think yes, from SEO perspective one should avoid too many links from the same IP and links from bad neighborhood.

I don't understand what you're actually looking for? Are you looking to add the old site content with the new domain name or vice versa?

Live.com is merged to bing.com now.

There are many articles floating over the web about how to get good backlinks? Try to find them?

YPN should first open for global market.

Make sure to only use adult content which are legal in your jurisdiction.

I agree, why a company will disclose their trade secret?

Good for Twitter addict, such integration was awaited. :)

Whatever the purpose if you buy links the paid links should be disclosed through a rel="nofollow" http://googlewebmastercentral.blogspot.com/2007/12/information-about-buying-and-selling.html

Too much anchor text will create keyword stuffing issue and also the site will look spammy.

You should aware of that buying and selling links is violation of Google's guidelines.

This is because Google is first choice for most of the people.