bizcoaching

Before you do any promotion, make sure you have a stable onpage optimization of your site. Find people thats related on your category, answer their questions and give advice. Its better to make them closer so that they'll trust you.

Goof tips! Bookmarking and Networking is a goo ways also.

The one with .edu domain is more valuable than the .com, etc. Of course, don't forget the content of the site, it does really matters.

1 method? well, that's pretty hard. It's like choosing a best among the best. I will focus first on listing my page on Search Engines. =)

Check your Google Webmaster Tool and see what is the error of your site. Make sure you submitted a sitemap with all your pages on it. Link the site to each other. Try to investigate for further results like, maybe it's because of your settings at .htaccess and robots.txt, etc.

You check your backlinks. There's a lot of tool online, feel free to suits your needs. :)

Yes, it does really matters. But make sure it's worth submitting for. :)