You just want to make sure your site is not tagged in their system as a spam site.

If your suddenly over night get several hundred incoming links it looks very strange, this is not something that would happen to a normal site. A normal site would grow in popularity as more and more people discover it and links to it.

If your site is marked as a “bad site” you will have a Very hard time getting among the top results for searches. Your site might even drop out of the index.

In what way? Lower ranking, not shown as a result at all?

Thanks for an excellent blogg btw =)