If you own more than one blog, is it good or bad to have them on the same server?

Kim Snyder asks:

If you own more than one blog, is it good or bad to have them on the same server? I own three blogs but they are all at the same server.. I happen to also have a ecommerce website, so its a problem having them on the same server?
When you use a keyword rich title in your blog posts, does it matter if you have a plugin that removes words such as the, a, at etc.. Does that hurt your SEO work or better it for the search engines?
Thanks for the email!

Hey Kim,

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